diff --git a/docker/rucio-daemons/Dockerfile b/docker/rucio-daemons/Dockerfile
index b261bf0..19d575f 100644
--- a/docker/rucio-daemons/Dockerfile
+++ b/docker/rucio-daemons/Dockerfile
@@ -32,6 +32,6 @@ RUN mkdir -p /patch
 # Patch for overwrite when only on disk in Rucio
 # Required for additional checks that were introduced in the latest CMS FTS as a result of overwrite-when-only-on-disk implementation in FTS
 # TODO: To be removed in Rucio 35
-ADD https://patch-diff.githubusercontent.com/raw/rucio/rucio/pull/6903.diff /patch/6903.diff
+ADD https://patch-diff.githubusercontent.com/raw/rucio/rucio/pull/6903.diff /patch/6903.patch
 
 ENTRYPOINT ["/cms-entrypoint.sh"]