diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
index a2771c698..7f6837563 100644
--- a/inputfiles/overridingTypes.jsonc
+++ b/inputfiles/overridingTypes.jsonc
@@ -327,21 +327,6 @@
     },
     "interfaces": {
         "interface": {
-            "CryptoKey": {
-                "properties": {
-                    "property": {
-                        "algorithm": {
-                            "type": "KeyAlgorithm"
-                        },
-                        "usages": {
-                            "type": "sequence",
-                            "subtype": {
-                                "type": "KeyUsage"
-                            }
-                        }
-                    }
-                }
-            },
             "GPUPipelineError": {
                 // Web IDL optional argument can be followed by a required argument, but not in TS
                 // TODO: Maybe do this in the emitter?
diff --git a/inputfiles/patches/crypto.kdl b/inputfiles/patches/crypto.kdl
index 05587ef2e..51aca43a2 100644
--- a/inputfiles/patches/crypto.kdl
+++ b/inputfiles/patches/crypto.kdl
@@ -3,3 +3,12 @@ dictionary CryptoKeyPair {
     member privateKey required=#true
     member publicKey required=#true
 }
+
+interface CryptoKey {
+    property algorithm type=KeyAlgorithm
+    property usages {
+        type sequence {
+            type KeyUsage
+        }
+    }
+}
diff --git a/src/build/patches.ts b/src/build/patches.ts
index df0b3a881..f792bafa1 100644
--- a/src/build/patches.ts
+++ b/src/build/patches.ts
@@ -232,12 +232,22 @@ function handleEvent(child: Node): Event {
  * @param child The child node to handle.
  */
 function handleProperty(child: Node): Partial<Property> {
+  let typeNode: Node | undefined;
+  for (const c of child.children) {
+    if (c.name === "type") {
+      typeNode = c;
+      break;
+    }
+  }
+
   return {
     name: string(child.values[0]),
     ...optionalMember("exposed", "string", child.properties?.exposed),
     ...optionalMember("optional", "boolean", child.properties?.optional),
     ...optionalMember("overrideType", "string", child.properties?.overrideType),
-    ...optionalMember("type", "string", child.properties?.type),
+    ...(typeNode
+      ? handleTyped(typeNode)
+      : optionalMember("type", "string", child.properties?.type)),
     ...optionalMember("readonly", "boolean", child.properties?.readonly),
     ...optionalMember("deprecated", "boolean", child.properties?.deprecated),
   };