diff --git a/modules/plugin/base/src/nsNPAPIPlugin.cpp b/modules/plugin/base/src/nsNPAPIPlugin.cpp
index 08d124e6016e..6f0eaa8a0fa6 100644
--- a/modules/plugin/base/src/nsNPAPIPlugin.cpp
+++ b/modules/plugin/base/src/nsNPAPIPlugin.cpp
@@ -2432,9 +2432,9 @@ _getvalueforurl(NPP instance, NPNURLVariable variable, const char *url,
       }
 
       nsXPIDLCString cookieStr;
-      if (NS_FAILED(cookieService->GetCookieString(uri, nsnull,
-                                                   getter_Copies(cookieStr))) ||
-          !cookieStr) {
+      nsresult cookieReturn = cookieService->GetCookieString(uri, nsnull,
+                                                             getter_Copies(cookieStr));
+      if (NS_FAILED(cookieReturn) || !cookieStr) {
         return NPERR_GENERIC_ERROR;
       }