diff --git a/src/util.cpp b/src/util.cpp
index 72a4a1818..325a148b1 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -33,6 +33,7 @@
 #include <vector>
 #include <algorithm>
 #include <string>
+#include <stdint.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/wait.h>