diff --git a/src/sound/timiditypp/timidity.h b/src/sound/timiditypp/timidity.h
index 0c7850568..5fe3667f6 100644
--- a/src/sound/timiditypp/timidity.h
+++ b/src/sound/timiditypp/timidity.h
@@ -30,6 +30,7 @@
 
 #include "controls.h"
 #include "mblock.h"
+#include <stdint.h>
 
 #ifdef _MSC_VER
 #pragma warning(disable:4244)	// double->float truncation occurs so often in here that it's pointless to fix it all.