diff --git a/packages/schema/src/plugins/zod/transformer.ts b/packages/schema/src/plugins/zod/transformer.ts
index 9bc013c01..ca714f1ad 100644
--- a/packages/schema/src/plugins/zod/transformer.ts
+++ b/packages/schema/src/plugins/zod/transformer.ts
@@ -90,7 +90,7 @@ export default class Transformer {
         return `${this.name}.schema`;
     }
 
-    private delegateCreateUpdateInputRegex = new RegExp(`(\\S+)(Unchecked)?(Create|Update).*Input`);
+    private delegateCreateUpdateInputRegex = /(\S+)(Unchecked)?(Create|Update).*Input/;
 
     generateObjectSchemaFields(generateUnchecked: boolean) {
         let fields = this.fields;