diff --git a/jitsi_admin_application_dockerfile.txt b/jitsi_admin_application_dockerfile.txt
index c95b768..d34222d 100644
--- a/jitsi_admin_application_dockerfile.txt
+++ b/jitsi_admin_application_dockerfile.txt
@@ -63,7 +63,14 @@ RUN echo "#!/bin/sh" > /docker-entrypoint-init.d/03-symfony.sh \
 RUN wget https://github.com/H2-invent/jitsi-admin/releases/download/${VERSION}/application.zip -O artifact.zip \
     && unzip artifact.zip -d ${WEBDIR} \
     && chown -R nobody ${WEBDIR}/public \
-    && chown -R nobody ${WEBDIR}/var \
+    && chown -R nobody ${WEBDIR}/var \RUN echo "#!/bin/sh" > /docker-entrypoint-init.d/03-theme.sh \
+    && echo "if [ -d "${WEBDIR}/data/theme" ]" >> /docker-entrypoint-init.d/03-theme.sh \
+    && echo "then" >> /docker-entrypoint-init.d/03-theme.sh \
+    && echo "  cp -r ${WEBDIR}/data/theme/theme/*.json.signed* ${WEBSIR}/theme/" >> /docker-entrypoint-init.d/03-theme.sh \
+    && echo "  cp -r ${WEBDIR}/data/theme/public/* ${WEBSIR}/public/" >> /docker-entrypoint-init.d/03-theme.sh \
+    && echo "fi" >> /docker-entrypoint-init.d/03-theme.sh \
+    && chmod +x /docker-entrypoint-init.d/*
+
     && chmod -R 700 ${WEBDIR}/public \
     && chmod -R 700 ${WEBDIR}/var