diff --git a/test/sanity/validate-modules/schema.py b/test/sanity/validate-modules/schema.py
index 06fde49a9f5..1e8e40413fc 100644
--- a/test/sanity/validate-modules/schema.py
+++ b/test/sanity/validate-modules/schema.py
@@ -25,13 +25,13 @@ def sequence_of_sequences(min=None, max=None):
     return All(
         Any(
             None,
-            [Length(min=min, max=max)],
-            tuple([Length(min=min, max=max)]),
+            [Any(list, tuple)],
+            tuple([Any(list, tuple)]),
         ),
         Any(
             None,
-            [Any(list, tuple)],
-            tuple([Any(list, tuple)]),
+            [Length(min=min, max=max)],
+            tuple([Length(min=min, max=max)]),
         ),
     )