diff --git a/documentation/installation/docker.md b/documentation/installation/docker.md
index b2a7e745..8dfd167c 100644
--- a/documentation/installation/docker.md
+++ b/documentation/installation/docker.md
@@ -74,4 +74,4 @@ To upgrade Spectrum 2 container, you at first have to pull the updated Docker im
 	$ docker pull spectrum2/spectrum2
 	$ docker stop spectrum2
 	$ docker rm spectrum2
-	$ docker run --name="spectrum2" -d -p 5222:5222 -v /opt/spectrum2/configuration:/etc/spectrum2/transports -v /opt/spectrum2/data:/var/lib/spectrum2 spectrum2/spectrum2
+	$ docker run --name="spectrum2" -d -v /opt/spectrum2/configuration:/etc/spectrum2/transports -v /opt/spectrum2/data:/var/lib/spectrum2 spectrum2/spectrum2