diff --git a/core/cfg/ini.h b/core/cfg/ini.h
index eec3c2fab..ab3edd3f8 100644
--- a/core/cfg/ini.h
+++ b/core/cfg/ini.h
@@ -3,6 +3,7 @@
 #include <cstdio>
 #include <map>
 #include <string>
+#include <cstdint>
 
 namespace emucfg {