diff --git a/pkgs/by-name/op/opencloud/idp-web.nix b/pkgs/by-name/op/opencloud/idp-web.nix
index 914915399118..ea8e181ed03e 100644
--- a/pkgs/by-name/op/opencloud/idp-web.nix
+++ b/pkgs/by-name/op/opencloud/idp-web.nix
@@ -44,7 +44,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   meta = {
     description = "OpenCloud - IDP Web UI";
     homepage = "https://github.com/opencloud-eu/opencloud";
-    changelog = "https://github.com/opencloud-eu/opencloud/blob/v${finalAttrs.src.rev}/CHANGELOG.md";
+    changelog = "https://github.com/opencloud-eu/opencloud/blob/v${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [
       christoph-heiss