diff --git a/package-lock.json b/package-lock.json
index 3fe1892..080fbbc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,23 +8,23 @@
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                 "globby": "^11.0.1",
                 "is-glob": "^4.0.1",
@@ -8524,12 +8524,12 @@
             }
         },
         "@typescript-eslint/visitor-keys": {
-            "version": "4.21.0",
-            "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.21.0.tgz",
-            "integrity": "sha512-dH22dROWGi5Z6p+Igc8bLVLmwy7vEe8r+8c+raPQU0LxgogPUrRAtRGtvBWmlr9waTu3n+QLt/qrS/hWzk1x5w==",
+            "version": "4.22.0",
+            "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.22.0.tgz",
+            "integrity": "sha512-nnMu4F+s4o0sll6cBSsTeVsT4cwxB7zECK3dFxzEjPBii9xLpq4yqqsy/FU5zMfan6G60DKZSCXAa3sHJZrcYw==",
             "dev": true,
             "requires": {
-                "@typescript-eslint/types": "4.21.0",
+                "@typescript-eslint/types": "4.22.0",
                 "eslint-visitor-keys": "^2.0.0"
             }
         },
@@ -9186,14 +9186,14 @@
             }
         },
         "css-select": {
-            "version": "4.0.0",
-            "resolved": "https://registry.npmjs.org/css-select/-/css-select-4.0.0.tgz",
-            "integrity": "sha512-I7favumBlDP/nuHBKLfL5RqvlvRdn/W29evvWJ+TaoGPm7QD+xSIN5eY2dyGjtkUmemh02TZrqJb4B8DWo6PoQ==",
+            "version": "4.1.2",
+            "resolved": "https://registry.npmjs.org/css-select/-/css-select-4.1.2.tgz",
+            "integrity": "sha512-nu5ye2Hg/4ISq4XqdLY2bEatAcLIdt3OYGFc9Tm9n7VSlFBcfRv0gBNksHRgSdUDQGtN3XrZ94ztW+NfzkFSUw==",
             "requires": {
                 "boolbase": "^1.0.0",
                 "css-what": "^5.0.0",
-                "domhandler": "^4.1.0",
-                "domutils": "^2.5.1",
+                "domhandler": "^4.2.0",
+                "domutils": "^2.6.0",
                 "nth-check": "^2.0.0"
             }
         },
@@ -9363,21 +9363,21 @@
             }
         },
         "domhandler": {
-            "version": "4.1.0",
-            "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-4.1.0.tgz",
-            "integrity": "sha512-/6/kmsGlMY4Tup/nGVutdrK9yQi4YjWVcVeoQmixpzjOUK1U7pQkvAPHBJeUxOgxF0J8f8lwCJSlCfD0V4CMGQ==",
+            "version": "4.2.0",
+            "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-4.2.0.tgz",
+            "integrity": "sha512-zk7sgt970kzPks2Bf+dwT/PLzghLnsivb9CcxkvR8Mzr66Olr0Ofd8neSbglHJHaHa2MadfoSdNlKYAaafmWfA==",
             "requires": {
                 "domelementtype": "^2.2.0"
             }
         },
         "domutils": {
-            "version": "2.5.2",
-            "resolved": "https://registry.npmjs.org/domutils/-/domutils-2.5.2.tgz",
-            "integrity": "sha512-MHTthCb1zj8f1GVfRpeZUbohQf/HdBos0oX5gZcQFepOZPLLRyj6Wn7XS7EMnY7CVpwv8863u2vyE83Hfu28HQ==",
+            "version": "2.6.0",
+            "resolved": "https://registry.npmjs.org/domutils/-/domutils-2.6.0.tgz",
+            "integrity": "sha512-y0BezHuy4MDYxh6OvolXYsH+1EMGmFbwv5FKW7ovwMG6zTPWqNPq3WF9ayZssFq+UlKdffGLbOEaghNdaOm1WA==",
             "requires": {
                 "dom-serializer": "^1.0.1",
                 "domelementtype": "^2.2.0",
-                "domhandler": "^4.1.0"
+                "domhandler": "^4.2.0"
             }
         },
         "ecc-jsbn": {
@@ -9513,9 +9513,9 @@
             }
         },
         "eslint": {
-            "version": "7.23.0",
-            "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.23.0.tgz",
-            "integrity": "sha512-kqvNVbdkjzpFy0XOszNwjkKzZ+6TcwCQ/h+ozlcIWwaimBBuhlQ4nN6kbiM2L+OjDcznkTJxzYfRFH92sx4a0Q==",
+            "version": "7.24.0",
+            "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.24.0.tgz",
+            "integrity": "sha512-k9gaHeHiFmGCDQ2rEfvULlSLruz6tgfA8DEn+rY9/oYPFFTlz55mM/Q/Rij1b2Y42jwZiK3lXvNTw6w6TXzcKQ==",
             "dev": true,
             "requires": {
                 "@babel/code-frame": "7.12.11",
@@ -9558,9 +9558,9 @@
             }
         },
         "eslint-config-prettier": {
-            "version": "8.1.0",
-            "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-8.1.0.tgz",
-            "integrity": "sha512-oKMhGv3ihGbCIimCAjqkdzx2Q+jthoqnXSP+d86M9tptwugycmTFdVR4IpLgq2c4SHifbwO90z2fQ8/Aio73yw==",
+            "version": "8.2.0",
+            "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-8.2.0.tgz",
+            "integrity": "sha512-dWV9EVeSo2qodOPi1iBYU/x6F6diHv8uujxbxr77xExs3zTAlNXvVZKiyLsQGNz7yPV2K49JY5WjPzNIuDc2Bw==",
             "dev": true,
             "requires": {}
         },
@@ -13012,9 +13012,9 @@
             }
         },
         "ts-jest": {
-            "version": "26.5.4",
-            "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.5.4.tgz",
-            "integrity": "sha512-I5Qsddo+VTm94SukBJ4cPimOoFZsYTeElR2xy6H2TOVs+NsvgYglW8KuQgKoApOKuaU/Ix/vrF9ebFZlb5D2Pg==",
+            "version": "26.5.5",
+            "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.5.5.tgz",
+            "integrity": "sha512-7tP4m+silwt1NHqzNRAPjW1BswnAhopTdc2K3HEkRZjF0ZG2F/e/ypVH0xiZIMfItFtD3CX0XFbwPzp9fIEUVg==",
             "dev": true,
             "requires": {
                 "bs-logger": "0.x",
diff --git a/package.json b/package.json
index 89e848a..09c7d0b 100644
--- a/package.json
+++ b/package.json
@@ -34,23 +34,23 @@
         "prepare": "npm run build"
     },
     "dependencies": {
-        "css-select": "^4.0.0",
+        "css-select": "^4.1.2",
         "css-what": "^5.0.0",
         "domelementtype": "^2.2.0",
-        "domhandler": "^4.1.0",
-        "domutils": "^2.5.2"
+        "domhandler": "^4.2.0",
+        "domutils": "^2.6.0"
     },
     "devDependencies": {
         "@types/jest": "^26.0.22",
-        "@typescript-eslint/eslint-plugin": "^4.21.0",
-        "@typescript-eslint/parser": "^4.21.0",
+        "@typescript-eslint/eslint-plugin": "^4.22.0",
+        "@typescript-eslint/parser": "^4.22.0",
         "coveralls": "^3.1.0",
-        "eslint": "^7.23.0",
-        "eslint-config-prettier": "^8.1.0",
+        "eslint": "^7.24.0",
+        "eslint-config-prettier": "^8.2.0",
         "htmlparser2": "^6.1.0",
         "jest": "^26.6.3",
         "prettier": "^2.2.1",
-        "ts-jest": "^26.5.4",
+        "ts-jest": "^26.5.5",
         "typescript": "^4.2.4"
     },
     "jest": {
diff --git a/src/index.ts b/src/index.ts
index e213ad7..cfe4590 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -108,45 +108,22 @@ function filterParsed(
             : elements;
 
         if (missing.length === 0) break;
-        let filtered: Element[];
-
-        if (filteredSelector.some(isTraversal)) {
-            /*
-             * Get one root node, run selector with the scope
-             * set to all of our nodes.
-             */
-            const root = getDocumentRoot(elements[0]);
-            const sel = [...filteredSelector, CUSTOM_SCOPE_PSEUDO];
-            filtered = findFilterElements(
-                root as Element,
-                sel,
-                options,
-                true,
-                elements
-            );
-        } else {
-            // Performance optimization: If we don't have to traverse, just filter set.
-            filtered = findFilterElements(
-                elements,
-                filteredSelector,
-                options,
-                false
-            );
-        }
+        const filtered = filterBySelector(filteredSelector, elements, options);
+
+        if (filtered.length) {
+            if (!found) {
+                /*
+                 * If we haven't found anything before the last selector,
+                 * just return what we found now.
+                 */
+                if (i === filteredSelectors.length - 1) {
+                    return filtered;
+                }
 
-        if (!found) {
-            /*
-             * If we haven't found anything before the last selector,
-             * just return what we found now.
-             */
-            if (i === filteredSelectors.length - 1) {
-                return filtered;
-            }
-            if (filtered.length) {
                 found = new Set(filtered);
+            } else {
+                filtered.forEach((el) => found!.add(el));
             }
-        } else if (filtered.length) {
-            filtered.forEach((el) => found!.add(el));
         }
     }
 
@@ -155,6 +132,25 @@ function filterParsed(
         : [];
 }
 
+function filterBySelector(
+    filteredSelector: Selector[],
+    elements: Element[],
+    options: Options
+) {
+    if (filteredSelector.some(isTraversal)) {
+        /*
+         * Get one root node, run selector with the scope
+         * set to all of our nodes.
+         */
+        const root = getDocumentRoot(elements[0]);
+        const sel = [...filteredSelector, CUSTOM_SCOPE_PSEUDO];
+        return findFilterElements(root, sel, options, true, elements);
+    }
+
+    // Performance optimization: If we don't have to traverse, just filter set.
+    return findFilterElements(elements, filteredSelector, options, false);
+}
+
 export function select(
     selector: string | ((el: Element) => boolean),
     root: Element | Element[],
@@ -181,9 +177,7 @@ export function select(
     }
 
     // Sort results, filtering for duplicates
-    return DomUtils.uniqueSort(
-        results.reduce((a, b) => [...a, ...b])
-    ) as Element[];
+    return DomUtils.uniqueSort(results.reduce((a, b) => [...a, ...b]));
 }
 
 // Traversals that are treated differently in css-select.
@@ -202,7 +196,7 @@ function includesScopePseudo(t: Selector): boolean {
 function addContextIfScope(
     selector: Selector[],
     options: Options,
-    scopeContext?: Element[]
+    scopeContext?: Node[]
 ) {
     return scopeContext && selector.some(includesScopePseudo)
         ? { ...options, context: scopeContext }
@@ -218,15 +212,15 @@ function addContextIfScope(
  * @param scopeContext Optional context for a :scope.
  */
 function findFilterElements(
-    root: Element | Element[],
+    root: Node | Node[],
     selector: Selector[],
     options: Options,
     queryForSelector: boolean,
-    scopeContext?: Element[]
+    scopeContext?: Node[]
 ): Element[] {
     const filterIndex = selector.findIndex(isFilter);
     const sub = selector.slice(0, filterIndex);
-    const filter: CheerioSelector = selector[filterIndex] as CheerioSelector;
+    const filter = selector[filterIndex] as CheerioSelector;
 
     /*
      * Set the number of elements to retrieve.
@@ -246,13 +240,10 @@ function findFilterElements(
         sub.length === 0 && !Array.isArray(root)
             ? DomUtils.getChildren(root).filter(DomUtils.isTag)
             : sub.length === 0 || (sub.length === 1 && sub[0] === SCOPE_PSEUDO)
-            ? Array.isArray(root)
-                ? root
-                : [root]
+            ? (Array.isArray(root) ? root : [root]).filter(DomUtils.isTag)
             : queryForSelector || sub.some(isTraversal)
             ? findElements(root, [sub], subOpts, limit)
-            : // We know that this cannot be reached with root not being an array.
-              filterElements(root as Element[], [sub], subOpts);
+            : filterElements(root, [sub], subOpts);
 
     const elems = elemsNoLimit.slice(0, limit);
 
@@ -317,7 +308,7 @@ interface CompiledQuery {
 }
 
 function findElements(
-    root: Element | Element[],
+    root: Node | Node[],
     sel: Selector[][],
     options: Options,
     limit: number
@@ -326,7 +317,6 @@ function findElements(
 
     const query: CompiledQuery = compileToken<Node, Element>(
         sel,
-        // @ts-expect-error TS seems to mess up the type here ¯\_(ツ)_/¯
         options,
         root
     );
@@ -335,7 +325,7 @@ function findElements(
 }
 
 function find(
-    root: Element | Element[],
+    root: Node | Node[],
     query: CompiledQuery,
     limit = Infinity
 ): Element[] {
@@ -354,11 +344,16 @@ function find(
 }
 
 function filterElements(
-    elements: Element[],
+    elements: Node | Node[],
     sel: Selector[][],
     options: Options
 ): Element[] {
-    // @ts-expect-error TS seems to mess up the type here ¯\_(ツ)_/¯
+    const els = (Array.isArray(elements) ? elements : [elements]).filter(
+        DomUtils.isTag
+    );
+
+    if (els.length === 0) return els;
+
     const query = compileToken<Node, Element>(sel, options);
-    return elements.filter(query);
+    return els.filter(query);
 }