--- roundup-snap/roundup/cgi/client.py	2014-05-15 21:16:36.000000000 +0400
+++ roundup/roundup/cgi/client.py	2014-06-23 19:59:22.000000000 +0400
@@ -713,9 +713,9 @@
         user = None
         # first up, try http authorization if enabled
         if self.instance.config['WEB_HTTP_AUTH']:
-            if 'REMOTE_USER' in self.env:
+            if self.instance.config['WEB_UID_VARIABLE'] in self.env:
                 # we have external auth (e.g. by Apache)
-                user = self.env['REMOTE_USER']
+                user = self.env[self.instance.config['WEB_UID_VARIABLE']]
             elif self.env.get('HTTP_AUTHORIZATION', ''):
                 # try handling Basic Auth ourselves
                 auth = self.env['HTTP_AUTHORIZATION']