diff --git a/src/mfxparser.cpp b/src/mfxparser.cpp
index 9d3823e..beea532 100644
--- a/src/mfxparser.cpp
+++ b/src/mfxparser.cpp
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <cstdint>
 #include <list>
 
 #include "mfxloader.h"