diff --git a/Dockerfile b/Dockerfile
index 8e789a7b..de0260ef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,4 +2,4 @@ FROM alpine
 MAINTAINER Philipp C. Heckel <philipp.heckel@gmail.com>
 
 COPY ntfy /usr/bin
-ENTRYPOINT ["ntfy"]
+ENTRYPOINT ["ntfy", "serve"]