diff --git a/deployer/utils/utils.py b/deployer/utils/utils.py
index 1bd6cc7..968757e 100644
--- a/deployer/utils/utils.py
+++ b/deployer/utils/utils.py
@@ -316,7 +316,7 @@ def _parse_validation_errors(
         else:
             config_name = error["loc"][3]
             error_row = {"type": error["type"], "msg": error["msg"]}
-            parsed_errors[pipeline_name][config_name] = []
+            parsed_errors[pipeline_name].setdefault(config_name, [])
             if len(error["loc"]) > 4:
                 error_row["field"] = error["loc"][5]
             parsed_errors[pipeline_name][config_name].append(error_row)