diff --git a/src/osd/sdl/output.c b/src/osd/sdl/output.c
index 59d66307f5e..f709dc948f0 100644
--- a/src/osd/sdl/output.c
+++ b/src/osd/sdl/output.c
@@ -18,6 +18,7 @@
 
 // MAMEOS headers
 #include "output.h"
+#include "osdsdl.h"