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