diff --git a/fs/exec.c b/fs/exec.c
index a098c133d8..d62ea82e7f 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -50,6 +50,7 @@
 #include <linux/pid_namespace.h>
 #include <linux/module.h>
 #include <linux/namei.h>
+#include <linux/dhc.h>
 #include <linux/mount.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>