1 files changed, 2 insertions, 2 deletions
diff --git a/src/new_fields/URLField.ts b/src/new_fields/URLField.ts
index d7120a5d2..d00a95a16 100644
--- a/src/new_fields/URLField.ts
+++ b/src/new_fields/URLField.ts
@@ -22,8 +22,8 @@ export class URLField extends ObjectField {
         this.url = url;
     }
 
-    [Copy]() {
-        return new URLField(this.url);
+    [Copy](): this {
+        return new (this.constructor as any)(this.url);
     }
 }