diff --git a/jitsi_admin_application_dockerfile.txt b/jitsi_admin_application_dockerfile.txt
index fe80591..b5d8e66 100644
--- a/jitsi_admin_application_dockerfile.txt
+++ b/jitsi_admin_application_dockerfile.txt
@@ -30,6 +30,7 @@ RUN apk --no-cache add \
     && rm -rf /var/cache/apk/*
 
 RUN sed -i 's/^date.timezone=.*$/date.timezone="Europe\/Berlin"/' /etc/php83/conf.d/custom.ini
+RUN echo "Europe/Berlin" > /etc/timezone
 
 RUN wget https://github.com/aptible/supercronic/releases/download/v0.2.33/supercronic-linux-amd64 -O /supercronic \
     && chmod +x /supercronic