diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 6566107cef84fae6c9a00660b7d2d5f63d313596..af7f93ed1487a1687982c46a168a79d28b618027 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -390,7 +390,7 @@ static int ppp_open(struct inode *inode, struct file *file)
 	/*
 	 * This could (should?) be enforced by the permissions on /dev/ppp.
 	 */
-	if (!capable(CAP_NET_ADMIN))
+	if (!ns_capable(file->f_cred->user_ns, CAP_NET_ADMIN))
 		return -EPERM;
 	return 0;
 }