Index: CRM/Core/Config.php
===================================================================
--- CRM/Core/Config.php	(revision 387)
+++ CRM/Core/Config.php	(working copy)
@@ -261,7 +261,13 @@
                  strtolower( $_SERVER['HTTPS'] ) != 'off' ) {
                 $this->userFrameworkBaseURL     = str_replace( 'http://', 'https://', 
                                                                $this->userFrameworkBaseURL );
-            }            
+            }       
+            if ( $this->userFramework == 'Drupal') {
+              global $language;
+              if ($language->prefix) {
+                $this->userFrameworkBaseURL = $this->userFrameworkBaseURL . $language->prefix .'/';
+              }
+            }
         }
 
         if ( defined( 'CIVICRM_UF_DSN' ) ) {