diff --git a/src/bin/safemode.c b/src/bin/safemode.c
index b91815740c..04782dddff 100644
--- a/src/bin/safemode.c
+++ b/src/bin/safemode.c
@@ -8,6 +8,7 @@
 #include <syscalls.h>
 
 #include <stdio.h>
+#include <string.h>
 #include <strings.h>