diff --git a/widget/src/qt/nsWindow.cpp b/widget/src/qt/nsWindow.cpp
index 61a9575a47f5..8e662c763503 100644
--- a/widget/src/qt/nsWindow.cpp
+++ b/widget/src/qt/nsWindow.cpp
@@ -88,7 +88,7 @@
 #include "nsIInterfaceRequestorUtils.h"
 #include "nsAutoPtr.h"
 
-#include "gfxPlatformQt.h"
+#include "gfxQtPlatform.h"
 #include "gfxXlibSurface.h"
 #include "gfxQPainterSurface.h"
 #include "gfxContext.h"