diff --git a/Dockerfile b/Dockerfile
index 4ee535d..25ececc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ENV FACTORIO_SERVER_VERSION 0.14.21
 
 ENTRYPOINT ["/opt/defaults/start.sh"]
 EXPOSE 34197/udp
-CMD ["--help"]
+CMD ["help"]
 
 ADD https://www.factorio.com/get-download/${FACTORIO_SERVER_VERSION}/headless/linux64 /tmp/factorio.tgz
 ADD . /opt/defaults
diff --git a/start.sh b/start.sh
index 865413d..19f7a45 100755
--- a/start.sh
+++ b/start.sh
@@ -28,6 +28,10 @@ case ${ACTION} in
     [ -e server-settings.json ] || cp /opt/defaults/server-settings.json server-settings.json
     exec ${BINARY} --server-settings server-settings.json --start-server ${MAP_FILE}
     ;;
+  "help")
+    echo "Usage: docker run quay.io/luzifer/factorio [init | create | start]"
+    echo
+    echo "Alternative: docker run quay.io/luzifer/factorio <factorio server options>"
   *)
     exec ${BINARY} "$@"
     ;;