diff --git a/src/runtime/registry/google-tag-manager.ts b/src/runtime/registry/google-tag-manager.ts
index bb802b74..5b41e1e7 100644
--- a/src/runtime/registry/google-tag-manager.ts
+++ b/src/runtime/registry/google-tag-manager.ts
@@ -28,6 +28,7 @@ type GoogleTagManagerInstance = GoogleTagManagerDataLayerStatus & {
 }
 interface GoogleTagManagerApi {
   google_tag_manager: GoogleTagManagerInstance
+  dataLayer: DataLayer
 }
 
 declare global {