--- loncom/rewrites/loncapa_rewrite_on.conf	2018/07/10 06:01:27	1.7
+++ loncom/rewrites/loncapa_rewrite_on.conf	2018/12/27 20:11:42	1.8
@@ -4,11 +4,12 @@
     RewriteCond %{REMOTE_HOST} 127.0.0.1
     RewriteRule (.*) - [L]
     RewriteCond %{REQUEST_URI} ^/adm/wrapper/ext/(?!https:)
+    RewriteCond %{QUERY_STRING} (^|&(amp;|))usehttp=1($|&)
     RewriteRule (.*) - [L]
     RewriteCond %{REQUEST_URI} ^/adm/annotations$
     RewriteRule (.*) - [L]
     RewriteCond %{REQUEST_URI} ^/public/.*/syllabus$
-    RewriteCond %{QUERY_STRING} (^|&)usehttp=1($|&)
+    RewriteCond %{QUERY_STRING} (^|&(amp;|))usehttp=1($|&)
     RewriteRule (.*) - [L]
     RewriteCond %{HTTPS} !=on
     RewriteRule ^/(.*)$ https://%{HTTP_HOST}/$1 [R,L]