diff --git a/src/ports/SkFontMgr_default_gdi.cpp b/src/ports/SkFontMgr_default_gdi.cpp
index 243d0cc..c39ab81 100644
--- a/src/ports/SkFontMgr_default_gdi.cpp
+++ b/src/ports/SkFontMgr_default_gdi.cpp
@@ -1,6 +1,5 @@
 #include "SkFontMgr.h"
-
-extern SkFontMgr* SkFontMgr_New_GDI();
+#include "SkTypeface_win.h"
 
 SkFontMgr* SkFontMgr::Factory() {
     return SkFontMgr_New_GDI();