diff --git a/Dockerfile b/Dockerfile
index fb21c18..089b98f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -73,4 +73,4 @@ EXPOSE 3979/udp
 WORKDIR /data
 ENV XDG_DATA_HOME=/data
 VOLUME ["/data"]
-ENTRYPOINT ["/usr/bin/openttd -D -g map.sav"]
+ENTRYPOINT ["/usr/bin/openttd", "-D -g map.sav"]