Index: vhosts/conf.d/6.186.conf
===================================================================
--- vhosts/conf.d/maslab.mit.edu.conf	(revision 132)
+++ vhosts/conf.d/6.186.conf	(revision 156)
@@ -11,4 +11,6 @@
 	SuExecUserGroup 6.186 6.186
 	DocumentRoot /afs/athena.mit.edu/course/6/6.186/web_scripts
+	<IfModule mod_ssl.c>
 	SSLEngine on
+	</IfModule>
 </VirtualHost>