diff --git a/cas/aidl/default/FactoryLoader.h b/cas/aidl/default/FactoryLoader.h
index f90b109718..6a562f6875 100755
--- a/cas/aidl/default/FactoryLoader.h
+++ b/cas/aidl/default/FactoryLoader.h
@@ -139,6 +139,7 @@ bool FactoryLoader<T>::enumeratePlugins(vector<AidlCasPluginDescriptor>* results
             queryPluginsFromPath(pluginPath, results);
         }
     }
+    closedir(pDir);
     return true;
 }