diff --git a/mozilla/modules/plugin/base/src/ns4xPlugin.cpp b/mozilla/modules/plugin/base/src/ns4xPlugin.cpp
index ee698da91fc..56a8828eba7 100644
--- a/mozilla/modules/plugin/base/src/ns4xPlugin.cpp
+++ b/mozilla/modules/plugin/base/src/ns4xPlugin.cpp
@@ -1928,7 +1928,7 @@ _getvalue(NPP npp, NPNVariable variable, void *result)
     *((NPNToolkitType*)result) = NPNVGtk2;
 #endif
 
-    if (*result)
+    if (*(NPNToolkitType*)result)
         return NPERR_NO_ERROR;
 
     return NPERR_GENERIC_ERROR;