diff --git a/cli/tests/unit/permissions_test.ts b/cli/tests/unit/permissions_test.ts
index 9f9b605f9a..193e606896 100644
--- a/cli/tests/unit/permissions_test.ts
+++ b/cli/tests/unit/permissions_test.ts
@@ -75,19 +75,14 @@ Deno.test(function permissionStatusIllegalConstructor() {
   assertEquals(Deno.PermissionStatus.length, 0);
 });
 
+// Regression test for https://github.com/denoland/deno/issues/17020
 Deno.test(async function permissionURL() {
-  await Deno.permissions.query({
-    name: "read",
-    path: new URL(".", import.meta.url),
-  });
-  await Deno.permissions.query({
-    name: "write",
-    path: new URL(".", import.meta.url),
-  });
-  await Deno.permissions.query({
-    name: "run",
-    command: new URL(".", import.meta.url),
-  });
+  const path = new URL(".", import.meta.url);
+
+  await Deno.permissions.query({ name: "read", path });
+  await Deno.permissions.query({ name: "write", path });
+  await Deno.permissions.query({ name: "ffi", path });
+  await Deno.permissions.query({ name: "run", command: path });
 });
 
 Deno.test(async function permissionDescriptorValidation() {
diff --git a/runtime/js/10_permissions.js b/runtime/js/10_permissions.js
index d6ab33dcfe..c2ce6cef0d 100644
--- a/runtime/js/10_permissions.js
+++ b/runtime/js/10_permissions.js
@@ -161,6 +161,20 @@
       ArrayPrototypeIncludes(permissionNames, desc.name);
   }
 
+  /**
+   * @param {Deno.PermissionDescriptor} desc
+   * @returns {desc is Deno.PermissionDescriptor}
+   */
+  function formDescriptor(desc) {
+    if (
+      desc.name === "read" || desc.name === "write" || desc.name === "ffi"
+    ) {
+      desc.path = pathFromURL(desc.path);
+    } else if (desc.name === "run") {
+      desc.command = pathFromURL(desc.command);
+    }
+  }
+
   class Permissions {
     constructor(key = null) {
       if (key != illegalConstructorKey) {
@@ -177,13 +191,7 @@
         );
       }
 
-      if (
-        desc.name === "read" || desc.name === "write" || desc.name === "ffi"
-      ) {
-        desc.path = pathFromURL(desc.path);
-      } else if (desc.name === "run") {
-        desc.command = pathFromURL(desc.command);
-      }
+      formDescriptor(desc);
 
       const state = opQuery(desc);
       return PromiseResolve(cache(desc, state));
@@ -198,11 +206,7 @@
         );
       }
 
-      if (desc.name === "read" || desc.name === "write") {
-        desc.path = pathFromURL(desc.path);
-      } else if (desc.name === "run") {
-        desc.command = pathFromURL(desc.command);
-      }
+      formDescriptor(desc);
 
       const state = opRevoke(desc);
       return PromiseResolve(cache(desc, state));
@@ -217,11 +221,7 @@
         );
       }
 
-      if (desc.name === "read" || desc.name === "write") {
-        desc.path = pathFromURL(desc.path);
-      } else if (desc.name === "run") {
-        desc.command = pathFromURL(desc.command);
-      }
+      formDescriptor(desc);
 
       const state = opRequest(desc);
       return PromiseResolve(cache(desc, state));