diff --git a/testing/tests/regression-suite/2600-PUT-collection.result b/testing/tests/regression-suite/2600-PUT-collection.result
index ab33bbfc..a8ee9d97 100644
--- a/testing/tests/regression-suite/2600-PUT-collection.result
+++ b/testing/tests/regression-suite/2600-PUT-collection.result
@@ -14,7 +14,7 @@ Content-Type: text/plain; charset="utf-8"
 
         attendees: >0<
 
-    collection_id: >1616<
+    collection_id: >1617<
   dav_displayname: >291-test-fb-rr-changes<
          dav_etag: >c21098570619a44e7d30283d0a703a4b<
          dav_name: >/user1/291-test-fb-rr-changes/<