diff --git a/layout/xul/base/src/nsToolbarFrame.cpp b/layout/xul/base/src/nsToolbarFrame.cpp
index 6f40648647d7..144ac98ed479 100644
--- a/layout/xul/base/src/nsToolbarFrame.cpp
+++ b/layout/xul/base/src/nsToolbarFrame.cpp
@@ -144,7 +144,10 @@ nsTEMPDragGestureEater::DragDrop(nsIDOMEvent* aMouseEvent)
 
 #endif /* TEMP_HACK_FOR_BUG_11291 */
 
+
+#ifdef XP_MAC
 #pragma mark -
+#endif
 
 
 //