diff --git a/init/do_mounts.c b/init/do_mounts.c
index 3c5fd993bc7e..6af29da8889e 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -159,8 +159,7 @@ static int __init do_mount_root(const char *name, const char *fs,
 		if (!p)
 			return -ENOMEM;
 		data_page = page_address(p);
-		/* zero-pad. init_mount() will make sure it's terminated */
-		strncpy(data_page, data, PAGE_SIZE);
+		strscpy_pad(data_page, data, PAGE_SIZE);
 	}
 
 	ret = init_mount(name, "/root", fs, flags, data_page);