1 files changed, 1 insertions, 1 deletions
diff --git a/ui/gfx/win/singleton_hwnd.h b/ui/gfx/win/singleton_hwnd.h
index 96af6e7..50fb9fd 100644
--- a/ui/gfx/win/singleton_hwnd.h
+++ b/ui/gfx/win/singleton_hwnd.h
@@ -19,7 +19,7 @@ namespace gfx {
 
 // Singleton message-only HWND that allows interested clients to receive WM_*
 // notifications.
-class SingletonHwnd : public WindowImpl {
+class GFX_EXPORT SingletonHwnd : public WindowImpl {
  public:
   static SingletonHwnd* GetInstance();