diff --git a/opennebula-docker/Dockerfile_0.5.1 b/opennebula-docker/Dockerfile_0.5.1
new file mode 120000
index 0000000..f9f2dd0
--- /dev/null
+++ b/opennebula-docker/Dockerfile_0.5.1
@@ -0,0 +1 @@
+Dockerfile_0.4.5
\ No newline at end of file
diff --git a/opennebula-docker/README.org b/opennebula-docker/README.org
index 6eeb949..6eac679 100644
--- a/opennebula-docker/README.org
+++ b/opennebula-docker/README.org
@@ -1,3 +1,5 @@
+* 0.5.1, 2026-09-01
+  - Correct keyring name with .keyring suffix
 * 0.5.0, 2026-09-01
   - Fix /etc/hosts management
   - Create keyfile in /etc/ceph separate of ceph.conf
diff --git a/opennebula-docker/entrypoint.sh b/opennebula-docker/entrypoint.sh
index b5084a9..8213e86 100755
--- a/opennebula-docker/entrypoint.sh
+++ b/opennebula-docker/entrypoint.sh
@@ -39,7 +39,7 @@ EOF
 fi
 
 # Create ceph key, rbd might need to access it
-key_filename="/etc/ceph/ceph.$(cat /ceph-secret/name)"
+key_filename="/etc/ceph/ceph.$(cat /ceph-secret/name).keyring"
 cat <<EOF >  "$key_filename"
 [$(cat /ceph-secret/name)]
     key = $(cat /ceph-secret/key)