diff --git a/Dockerfile b/Dockerfile
index 636b618..2d0eb7c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN ln -s /dev/stderr /var/log/apache2/error.log
 RUN ln -s /dev/stdout /var/log/apache2/access.log
 
 # allow configurations to mark requests as "don't log"
-RUN perl -i -pe 's{^(CustomLog logs/access.log)$}{$1 combined env=!dontlog};' /etc/apache2/httpd.conf
+RUN perl -i -pe 's{^(\s+CustomLog logs/access.log combined)$}{$1 env=!dontlog};' /etc/apache2/httpd.conf
 RUN echo "IncludeOptional /web/config/*.conf" >> /etc/apache2/httpd.conf
 
 ADD run-httpd /run.sh