diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e6b2bb40..88d376df3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The following sections list the changes for unreleased.
 
 ## Summary
 
+* Bugfix - Fix Thumbnails for IDs without a trailing path: [#3791](https://github.com/owncloud/ocis/pull/3791)
 * Change - The `glauth` and `accounts` services are removed: [#3685](https://github.com/owncloud/ocis/pull/3685)
 * Enhancement - Add descriptions for graph-explorer config: [#3759](https://github.com/owncloud/ocis/pull/3759)
 * Enhancement - Add description tags to the thumbnails config structs: [#3752](https://github.com/owncloud/ocis/pull/3752)
@@ -14,6 +15,12 @@ The following sections list the changes for unreleased.
 
 ## Details
 
+* Bugfix - Fix Thumbnails for IDs without a trailing path: [#3791](https://github.com/owncloud/ocis/pull/3791)
+
+   The routes in the chi router were not matching thumbnail requests without a trailing path.
+
+   https://github.com/owncloud/ocis/pull/3791
+
 * Change - The `glauth` and `accounts` services are removed: [#3685](https://github.com/owncloud/ocis/pull/3685)
 
    After switching the default configuration to libregraph/idm we could remove the glauth and