diff --git a/templates/etc-apache2-sites-available-sd-agent b/templates/etc-apache2-sites-available-sd-agent
index f0f5ea0ffb27e8d8ce3d323ef36646b786bacf1b..f7ea38bb648c608f7fe212572a45732a137b1f33 100644
--- a/templates/etc-apache2-sites-available-sd-agent
+++ b/templates/etc-apache2-sites-available-sd-agent
@@ -15,7 +15,7 @@
 {% if apache_version|default('2.4') == '2.4' %}
   ErrorLogFormat "[%{u}t] [%l] [pid %P] [client\ %{X-Forwarded-For}i] %M% ,\ referer:\ %{Referer}i"
 {% endif %}
-  LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" proxy
+  LogFormat "\"%{X-Forwarded-For}i\" %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" proxy
   ErrorLog ${APACHE_LOG_DIR}/error.log
   CustomLog ${APACHE_LOG_DIR}/access.log combined env=!forwarded
   CustomLog ${APACHE_LOG_DIR}/access.log proxy env=forwarded