diff --git a/SAS/TMSS/backend/services/lofar2_siblings/tmss_lofar2_sibling_service b/SAS/TMSS/backend/services/lofar2_siblings/tmss_lofar2_sibling_service
index 329bb340ccbb07e70222a443c910510c01945faf..7b59c72d0beebb5f87ac2ecd422d8f9a94b6e672 100755
--- a/SAS/TMSS/backend/services/lofar2_siblings/tmss_lofar2_sibling_service
+++ b/SAS/TMSS/backend/services/lofar2_siblings/tmss_lofar2_sibling_service
@@ -55,7 +55,7 @@ class TMSSLofar2SiblingEventMessageHandler(TMSSEventMessageHandler):
 
         lofar2_unit = self.tmss_client.create_lofar2_sibling_scheduling_unit(id)
         if lofar2_unit is not None:
-            logger.info("created lofar2 unit: %s", lofar2_unit['url'])
+            logger.info("created lofar2 sibling unit %d for lofar1 unit %d: %s", lofar2_unit['id'], id, lofar2_unit['url'])
 
 
 def create_lofar2_sibling_service(exchange: str=DEFAULT_BUSNAME, broker: str=DEFAULT_BROKER, tmss_client_credentials_id: str="TMSSClient"):