diff --git a/src/bin/mount.c b/src/bin/mount.c
index 732a243063..d0d7d06f96 100644
--- a/src/bin/mount.c
+++ b/src/bin/mount.c
@@ -11,6 +11,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>