diff --git a/.changeset/bright-forks-lick.md b/.changeset/bright-forks-lick.md
new file mode 100644
index 00000000..71a16208
--- /dev/null
+++ b/.changeset/bright-forks-lick.md
@@ -0,0 +1,5 @@
+---
+"bob-the-bundler": patch
+---
+
+Use correct path for checking file existence in exports map.
diff --git a/src/commands/check.ts b/src/commands/check.ts
index 0277dff0..897eaf18 100644
--- a/src/commands/check.ts
+++ b/src/commands/check.ts
@@ -194,7 +194,7 @@ async function checkExportsMapIntegrity(args: {
     } else {
       // package.json or other files
       // for now we just make sure they exists
-      await fse.stat(cjsResult);
+      await fse.stat(path.join(args.cwd, cjsResult));
     }
 
     const esmResult = resolve.resolve({ exports: exportsMap }, key);
@@ -232,7 +232,7 @@ async function checkExportsMapIntegrity(args: {
     } else {
       // package.json or other files
       // for now we just make sure they exists
-      await fse.stat(esmResult);
+      await fse.stat(path.join(args.cwd, esmResult));
     }
   }
 
diff --git a/test/__fixtures__/simple/package.json b/test/__fixtures__/simple/package.json
index 9230c1f8..5f2442aa 100644
--- a/test/__fixtures__/simple/package.json
+++ b/test/__fixtures__/simple/package.json
@@ -35,7 +35,8 @@
         "default": "./dist/esm/*.js"
       }
     },
-    "./package.json": "./package.json"
+    "./package.json": "./package.json",
+    "./style.css": "./style.css"
   },
   "publishConfig": {
     "directory": "dist",
@@ -45,7 +46,8 @@
   "bob": {
     "build": {
       "copy": [
-        "foo.json"
+        "foo.json",
+        "src/style.css"
       ]
     },
     "check": {
diff --git a/test/__fixtures__/simple/src/style.css b/test/__fixtures__/simple/src/style.css
new file mode 100644
index 00000000..a15c877a
--- /dev/null
+++ b/test/__fixtures__/simple/src/style.css
@@ -0,0 +1,3 @@
+.foo {
+  color: red;
+}
diff --git a/test/integration.spec.ts b/test/integration.spec.ts
index 815bc7b3..891b8d76 100644
--- a/test/integration.spec.ts
+++ b/test/integration.spec.ts
@@ -83,7 +83,8 @@ it("can bundle a simple project", async () => {
             \\"default\\": \\"./esm/*.js\\"
           }
         },
-        \\"./package.json\\": \\"./package.json\\"
+        \\"./package.json\\": \\"./package.json\\",
+        \\"./style.css\\": \\"./style.css\\"
       }
     }"
   `);