diff --git a/source/utils/sjis.cpp b/source/utils/sjis.cpp
index 2b1a7c5e..c81b46d2 100644
--- a/source/utils/sjis.cpp
+++ b/source/utils/sjis.cpp
@@ -1,4 +1,5 @@
 #include "sjis.h"
+#include <cstdint>
 
 unsigned char convTable[25088] = {
 	0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04, 0x00, 0x05,