diff --git a/Containers/talk/Dockerfile b/Containers/talk/Dockerfile
index 8d47c56c..4bf84f6d 100644
--- a/Containers/talk/Dockerfile
+++ b/Containers/talk/Dockerfile
@@ -61,6 +61,9 @@ RUN mkdir -p /etc/nats; \
 # Give root a random password
 RUN echo "root:$(openssl rand -base64 12)" | chpasswd
 
+# Set default talk port https://github.com/nextcloud/all-in-one/issues/1011
+ENV TALK_PORT=3478
+
 USER talk
 ENTRYPOINT ["start.sh"]
 CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]