1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/slider.h b/src/gui/slider.h
index 524d8799..5700d64d 100644
--- a/src/gui/slider.h
+++ b/src/gui/slider.h
@@ -26,6 +26,8 @@
 
 #include <guichan/widgets/slider.hpp>
 
+#include "../guichanfwd.h"
+
 class Image;