diff --git a/testing/tests/regression-suite/6bb3a62b-43ae-4a21-bb83-fca84d9ef050.ics b/testing/tests/regression-suite/2700-DDAY-PUT.ics
similarity index 93%
rename from testing/tests/regression-suite/6bb3a62b-43ae-4a21-bb83-fca84d9ef050.ics
rename to testing/tests/regression-suite/2700-DDAY-PUT.ics
index 6c169720..a2b4f822 100644
--- a/testing/tests/regression-suite/6bb3a62b-43ae-4a21-bb83-fca84d9ef050.ics
+++ b/testing/tests/regression-suite/2700-DDAY-PUT.ics
@@ -29,7 +29,7 @@ RRULE:FREQ=YEARLY;BYMONTH=9;BYMONTHDAY=19
 SEQUENCE:18
 SUMMARY:Geburtstag von Fritz Rau
 TRANSP:TRANSPARENT
-UID:6bb3a62b-43ae-4a21-bb83-fca84d9ef050
+UID:2700-DDAY-PUT.ics
 X-MICROSOFT-CDO-BUSYSTATUS:FREE
 BEGIN:VALARM
 ACTION:DISPLAY
@@ -48,7 +48,7 @@ RECURRENCE-ID;VALUE=DATE:20200919
 SEQUENCE:19
 SUMMARY:Geburtstag von Fritz Rau
 TRANSP:TRANSPARENT
-UID:6bb3a62b-43ae-4a21-bb83-fca84d9ef050
+UID:2700-DDAY-PUT.ics
 X-MICROSOFT-CDO-BUSYSTATUS:FREE
 END:VEVENT
 END:VCALENDAR
diff --git a/testing/tests/regression-suite/2700-DDAY-PUT.result b/testing/tests/regression-suite/2700-DDAY-PUT.result
index fbdd8b50..eec07961 100644
--- a/testing/tests/regression-suite/2700-DDAY-PUT.result
+++ b/testing/tests/regression-suite/2700-DDAY-PUT.result
@@ -2,7 +2,7 @@ HTTP/1.1 201 Created
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, bind, addressbook, calendar-auto-schedule, calendar-proxy
-ETag: "1a75364d960334ec9d4e5f3d5e19b53a"
+ETag: "41ed3d3a44e21f6d0d0f79e631e38c20"
 Content-Length: 0
 Content-Type: text/plain; charset="utf-8"
 
diff --git a/testing/tests/regression-suite/2700-DDAY-PUT.test b/testing/tests/regression-suite/2700-DDAY-PUT.test
index d59c898b..6e87b04e 100644
--- a/testing/tests/regression-suite/2700-DDAY-PUT.test
+++ b/testing/tests/regression-suite/2700-DDAY-PUT.test
@@ -2,9 +2,9 @@
 # PUT a recurring event that we can check we can/can't see at appropriate dates
 #
 TYPE=PUT
-URL=http://regression.host/caldav.php/user1/home/6bb3a62b-43ae-4a21-bb83-fca84d9ef050.ics
+URL=http://regression.host/caldav.php/user1/home/2700-DDAY-PUT.ics
 HEADER=User-Agent: CalDavSynchronizer/4.4
 HEADER=Content-Type: text/calendar; charset=utf-8
 HEAD
 #
-DATA=6bb3a62b-43ae-4a21-bb83-fca84d9ef050.ics
+DATA=2700-DDAY-PUT.ics