diff --git a/src/Unittests/unittests_sr_binary.cc b/src/Unittests/unittests_sr_binary.cc
index dbfc38e6..36115d86 100644
--- a/src/Unittests/unittests_sr_binary.cc
+++ b/src/Unittests/unittests_sr_binary.cc
@@ -2,6 +2,8 @@
 #include <Unittests/unittests_common.hh>
 #include <iostream>
 #include <list>
+#include <stdint.h>
+
 
 namespace {