diff --git a/src/utils/general/ParseTools.h b/src/utils/general/ParseTools.h
index 6b8fe76d..26a4b6ac 100644
--- a/src/utils/general/ParseTools.h
+++ b/src/utils/general/ParseTools.h
@@ -16,6 +16,7 @@
 #include "string.h"
 #include <cstdio>
 #include <cstdlib>
+#include <cstdint>
 #include "BedtoolsTypes.h"
 
 using namespace std;