diff --git a/core_bridge/storage_core_bridge.module b/core_bridge/storage_core_bridge.module
index 0653970..f2163c6 100755
--- a/core_bridge/storage_core_bridge.module
+++ b/core_bridge/storage_core_bridge.module
@@ -683,5 +683,7 @@ class DrupalStorageStreamWrapper implements DrupalStreamWrapperInterface {
   public function dir_readdir() {}
   public function dir_rewinddir() {}
   public function dir_closedir() {}
-  public function realpath() {}
+  public function realpath() {
+    return FALSE;
+  }
 }