diff --git a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/schema_validation.py b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/schema_validation.py
index c31063420..005a0ded1 100644
--- a/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/schema_validation.py
+++ b/src/lambda_codebase/initial_commit/bootstrap_repository/adf-build/shared/python/schema_validation.py
@@ -333,7 +333,10 @@
 TARGET_SCHEMA = {
     Optional("path"): Or(str, int, TARGET_LIST_SCHEMA),
     Optional("tags"): {
-        And(str, Regex(r"\A.{1,128}\Z")): And(str, Regex(r"\A.{0,256}\Z"))
+        And(str, Regex(r"\A.{1,128}\Z")): Or(
+            And(str, Regex(r"\A.{0,256}\Z")),
+            [And(str, Regex(r"\A.{0,256}\Z"))]
+        )
     },
     Optional("target"): Or(str, int, TARGET_LIST_SCHEMA),
     Optional("name"): str,