diff --git a/packages/webcrack/src/ast-utils/scope.ts b/packages/webcrack/src/ast-utils/scope.ts
index c8fb4828..bb322e6a 100644
--- a/packages/webcrack/src/ast-utils/scope.ts
+++ b/packages/webcrack/src/ast-utils/scope.ts
@@ -8,7 +8,7 @@ export function generateUid(scope: Scope, name: string = 'temp'): string {
   let uid = '';
   let i = 1;
   do {
-    uid = i > 1 ? `${name}${i}` : toIdentifier(name);
+    uid = toIdentifier(i > 1 ? `${name}${i}` : name);
     i++;
   } while (
     scope.hasLabel(uid) ||
diff --git a/packages/webcrack/test/mangle.test.ts b/packages/webcrack/test/mangle.test.ts
index 1499e942..a0972528 100644
--- a/packages/webcrack/test/mangle.test.ts
+++ b/packages/webcrack/test/mangle.test.ts
@@ -16,6 +16,13 @@ test('variable', () => {
   expectJS('const x = require("fs");').toMatchInlineSnapshot(
     `const fs = require("fs");`,
   );
+  expectJS(`
+    const x = require("node:fs");
+    const y = require("node:fs");
+  `).toMatchInlineSnapshot(`
+    const nodeFs = require("node:fs");
+    const nodeFs2 = require("node:fs");
+  `);
 });
 
 test('ignore exports', () => {