diff --git a/widget/src/windows/nsClipboard.cpp b/widget/src/windows/nsClipboard.cpp
index 3cb7494400e..64d8504d69e 100644
--- a/widget/src/windows/nsClipboard.cpp
+++ b/widget/src/windows/nsClipboard.cpp
@@ -392,7 +392,7 @@ nsresult nsClipboard::GetNativeDataOffClipboard(IDataObject * aDataObject, UINT
 
             case CF_HDROP : 
               {
-                LPDROPFILES dropFiles = (LPDROPFILES)(*aData);
+                HDROP dropFiles = (HDROP)(*aData);
 
                 char fileName[1024];
                 UINT numFiles = DragQueryFile(dropFiles, 0xFFFFFFFF, NULL, 0);