Index: units/helpers/user_helper.php
===================================================================
--- units/helpers/user_helper.php	(revision 14472)
+++ units/helpers/user_helper.php	(working copy)
@@ -233,7 +233,8 @@
 			$this->Application->resetCounters('UserSession');
 			$this->Application->Session->SetCookie('remember_login', '', strtotime('-1 hour'));
 
-			$this->event->SetRedirectParam('pass', 'all');
+			// don't pass user prefix on logout, since resulting url will have broken "env"
+			$this->event->SetRedirectParam('pass', MOD_REWRITE ? 'm' : 'all');
 		}
 
 		/**
Index: units/users/users_tag_processor.php
===================================================================
--- units/users/users_tag_processor.php	(revision 14472)
+++ units/users/users_tag_processor.php	(working copy)
@@ -19,7 +19,7 @@
 
 		function LogoutLink($params)
 		{
-			$pass = Array('pass' => 'all,m,u', 'u_event' => 'OnLogout', 'm_cat_id'=>0);
+			$pass = Array('pass' => 'all,m,u', 'u_event' => 'OnLogout', 'm_cat_id' => 0, '__NO_REWRITE__' => 1);
 			$logout_template = $this->SelectParam($params, 'template,t');
 			return $this->Application->HREF($logout_template, '', $pass);
 		}