diff --git a/wrapper/include/SkFontMgr_alphaskia.h b/wrapper/include/SkFontMgr_alphaskia.h
index 9b797d1..87784e4 100644
--- a/wrapper/include/SkFontMgr_alphaskia.h
+++ b/wrapper/include/SkFontMgr_alphaskia.h
@@ -2,7 +2,7 @@
 
 #include "../../externals/skia/include/core/SkFontMgr.h"
 
-class SkFontMgr_AlphaSkia : public SkFontMgr
+class SK_API SkFontMgr_AlphaSkia : public SkFontMgr
 {
 public:
     explicit SkFontMgr_AlphaSkia();