diff --git a/Dockerfile b/Dockerfile
index a9bda57..aaa97b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -47,4 +47,4 @@ VOLUME /cryptpad/datastore
 EXPOSE 3000 3001
 
 # Run cryptpad on startup
-CMD ["server.js"]
+CMD ["npm", "start"]
diff --git a/Dockerfile-alpine b/Dockerfile-alpine
index f066af5..9b80c5e 100644
--- a/Dockerfile-alpine
+++ b/Dockerfile-alpine
@@ -47,4 +47,4 @@ VOLUME /cryptpad/datastore
 EXPOSE 3000 3001
 
 # Run cryptpad on startup
-CMD ["server.js"]
+CMD ["npm", "start"]