diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index 62e105b471..1111418340 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -2189,7 +2189,7 @@ zfs_ioc_snapshot(zfs_cmd_t *zc)
 	if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0)
 		return (EINVAL);
 
-	if (zc->zc_nvlist_src != NULL &&
+	if (zc->zc_nvlist_src != 0 &&
 	    (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
 	    &nvprops)) != 0)
 		return (error);