diff --git a/webmails/roundcube/Dockerfile b/webmails/roundcube/Dockerfile
index b077303f..782c97e6 100644
--- a/webmails/roundcube/Dockerfile
+++ b/webmails/roundcube/Dockerfile
@@ -19,6 +19,7 @@ RUN rm -rf /var/www/html/ \
  && mv roundcubemail-* html \
  && cd html \
  && rm -rf CHANGELOG INSTALL LICENSE README.md UPGRADING composer.json-dist installer \
+ && sed -i 's,mod_php5.c,mod_php7.c,g' .htaccess \
  && chown -R www-data: logs
 
 COPY php.ini /usr/local/etc/php/conf.d/roundcube.ini