diff --git a/src/engine/platform/sound/ymf278b/ymf278.h b/src/engine/platform/sound/ymf278b/ymf278.h
index b0622adb2..3e1f4a8d4 100644
--- a/src/engine/platform/sound/ymf278b/ymf278.h
+++ b/src/engine/platform/sound/ymf278b/ymf278.h
@@ -4,6 +4,7 @@
 #include <vector>
 #include <string>
 #include <algorithm>
+#include <stdint.h>
 
 #define UNREACHABLE while (1) assert(false)