diff --git a/src/dlt/connector/service/tools/Checkers.py b/src/dlt/connector/service/tools/Checkers.py
index 6ad0f4b82626740c594829831b08fcefbc15096d..f628126ec4264e325d38f0ad64af43b2e511ca74 100644
--- a/src/dlt/connector/service/tools/Checkers.py
+++ b/src/dlt/connector/service/tools/Checkers.py
@@ -19,6 +19,6 @@ def record_exists(record : DltRecord) -> bool:
     exists = exists and (len(record.record_id.domain_uuid.uuid) > 0)
     exists = exists and (record.record_id.type != DLTRECORDTYPE_UNDEFINED)
     exists = exists and (len(record.record_id.record_uuid.uuid) > 0)
-    #exists = exists and (record.operation != DLTRECORDOPERATION_UNDEFINED)
+    exists = exists and (record.operation != DLTRECORDOPERATION_UNDEFINED)
     exists = exists and (len(record.data_json) > 0)
     return exists