diff --git a/files/apache-keystone.template b/files/apache-keystone.template
index e7b2157..b4bdb16 100644
--- a/files/apache-keystone.template
+++ b/files/apache-keystone.template
@@ -6,7 +6,9 @@
     WSGIProcessGroup keystone-public
     WSGIScriptAlias / %PUBLICWSGI%
     WSGIApplicationGroup %{GLOBAL}
-    %ERRORLOGFORMAT%
+    <IfVersion >= 2.4>
+      ErrorLogFormat "%{cu}t %M"
+    </IfVersion>
     ErrorLog /var/log/%APACHE_NAME%/keystone.log
     CustomLog /var/log/%APACHE_NAME%/access.log combined
 </VirtualHost>
@@ -16,7 +18,9 @@
     WSGIProcessGroup keystone-admin
     WSGIScriptAlias / %ADMINWSGI%
     WSGIApplicationGroup %{GLOBAL}
-    %ERRORLOGFORMAT%
+    <IfVersion >= 2.4>
+      ErrorLogFormat "%{cu}t %M"
+    </IfVersion>
     ErrorLog /var/log/%APACHE_NAME%/keystone.log
     CustomLog /var/log/%APACHE_NAME%/access.log combined
 </VirtualHost>