diff --git a/integrations/docker-mailserver-configreload/Dockerfile b/integrations/docker-mailserver-configreload/Dockerfile
index bac56ad..8340208 100644
--- a/integrations/docker-mailserver-configreload/Dockerfile
+++ b/integrations/docker-mailserver-configreload/Dockerfile
@@ -8,11 +8,11 @@ RUN pip install jinjanator
 COPY bin/ /usr/local/bin/
 COPY templates/ /usr/local/share/templates/
 
-ENV WEBHOOK_TOKEN=some-random-long-string \
-    WEBHOOK_LOG=/var/log/webhook/access.log \
-    CONFIG_DIR=/config \
-    CONFIG_TMP=/tmp/config \
-    MAILADMIN_URL=https://mailadmin.example.com \
-    MAILADMIN_API_TOKEN=some-secret-token
+ENV WEBHOOK_TOKEN=some-random-long-string
+ENV WEBHOOK_LOG=/var/log/webhook/access.log
+ENV CONFIG_DIR=/config
+ENV CONFIG_TMP=/tmp/config
+ENV MAILADMIN_URL=https://mailadmin.example.com
+ENV MAILADMIN_API_TOKEN=some-secret-token
 
 CMD ["/usr/local/bin/entrypoint.sh"]