diff --git a/pkgs/development/python-modules/recurring-ical-events/default.nix b/pkgs/development/python-modules/recurring-ical-events/default.nix
index d69739c381b3..6f6df628d0fb 100644
--- a/pkgs/development/python-modules/recurring-ical-events/default.nix
+++ b/pkgs/development/python-modules/recurring-ical-events/default.nix
@@ -48,7 +48,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "recurring_ical_events" ];
 
   meta = {
-    changelog = "https://github.com/niccokunzmann/python-recurring-ical-events/blob/${src.rev}/README.rst#changelog";
+    changelog = "https://github.com/niccokunzmann/python-recurring-ical-events/blob/${src.tag}/README.rst#changelog";
     description = "Repeat ICalendar events by RRULE, RDATE and EXDATE";
     homepage = "https://github.com/niccokunzmann/python-recurring-ical-events";
     license = lib.licenses.lgpl3Plus;