diff --git a/cmds-qgroup.c b/cmds-qgroup.c
index 6436e9c6..f2200b7e 100644
--- a/cmds-qgroup.c
+++ b/cmds-qgroup.c
@@ -37,7 +37,7 @@ static int qgroup_assign(int assign, int argc, char **argv)
 	int ret = 0;
 	int fd;
 	int e;
-	char *path = argv[3];
+	char *path;
 	struct btrfs_ioctl_qgroup_assign_args args;
 	DIR *dirstream = NULL;
 
@@ -49,6 +49,8 @@ static int qgroup_assign(int assign, int argc, char **argv)
 	args.src = parse_qgroupid(argv[1]);
 	args.dst = parse_qgroupid(argv[2]);
 
+	path = argv[3];
+
 	/*
 	 * FIXME src should accept subvol path
 	 */