diff --git a/plugins/catalog-backend/src/service/request/parseEntityTransformParams.ts b/plugins/catalog-backend/src/service/request/parseEntityTransformParams.ts
index 9bbe9e7861..a7ee3cad9b 100644
--- a/plugins/catalog-backend/src/service/request/parseEntityTransformParams.ts
+++ b/plugins/catalog-backend/src/service/request/parseEntityTransformParams.ts
@@ -32,7 +32,7 @@ function getPathArrayAndValue(input: Entity, field: string) {
 
       return [pathArray, undefined];
     },
-    [[] as unknown as string, input as any],
+    [[] as string[], input as any],
   );
 }