diff --git a/webtrees/Dockerfile b/webtrees/Dockerfile
index 7b4dcba9295..ff3853ed3d3 100644
--- a/webtrees/Dockerfile
+++ b/webtrees/Dockerfile
@@ -49,7 +49,8 @@ RUN \
     && cp -rf /var/* /var2/ \
     && chown -R www-data:www-data /var2/www/webtrees \
     # Allow healthcheck
-    && for files in /etc/apache2/sites-*/*.conf; do sed -i "/<Directory/i\    BrowserMatchNoCase ^healthcheck nolog" "$files"; done \
+    && for file in /etc/apache2/sites-*/*.conf; do \
+    sed -i '/<VirtualHost/a\\n    # Match requests with the custom User-Agent "HealthCheck"\\n    SetEnvIf User-Agent "HealthCheck" dontlog\\n    # Exclude matching requests from access logs\\n    CustomLog /var/log/apache2/access.log combined env=!dontlog' "$file"; done
 
 ##################
 # 3 Install apps #