diff --git a/Dockerfile b/Dockerfile
index 57531a533..146521ca5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,7 +49,7 @@ WORKDIR /usr/share/nginx/html
 LABEL maintainer="maintainers@vikunja.io"
 
 ENV VIKUNJA_HTTP_PORT 80
-ENV VIKUNJA_HTTP2_PORT 80
+ENV VIKUNJA_HTTP2_PORT 81
 ENV VIKUNJA_LOG_FORMAT main
 ENV VIKUNJA_API_URL http://localhost:3456/api/v1
 ENV VIKUNJA_SENTRY_ENABLED false