diff --git a/lib/angular2/shared/services/core/base.ejs b/lib/angular2/shared/services/core/base.ejs
index 53fb32a6..026da912 100644
--- a/lib/angular2/shared/services/core/base.ejs
+++ b/lib/angular2/shared/services/core/base.ejs
@@ -180,7 +180,7 @@ export abstract class BaseLoopBackApi {
       LoopBackConfig.getPath(),
       LoopBackConfig.getApiVersion(),
       this.model.getModelDefinition().plural,
-      'exists'
+      ':id/exists'
     ].join('/'), { id }, undefined, undefined);
   }
   /**