diff --git a/util/cbfstool/cbfscomptool.c b/util/cbfstool/cbfscomptool.c
index c32be64ba2..028893c35f 100644
--- a/util/cbfstool/cbfscomptool.c
+++ b/util/cbfstool/cbfscomptool.c
@@ -16,6 +16,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <strings.h>
 #include <time.h>
 
 #include "common.h"