diff --git a/includes/pages/game/ShowMessagesPage.class.php b/includes/pages/game/ShowMessagesPage.class.php
index bf8da5be8..2d843c293 100644
--- a/includes/pages/game/ShowMessagesPage.class.php
+++ b/includes/pages/game/ShowMessagesPage.class.php
@@ -367,7 +367,7 @@ function show()
     {
         global $LNG, $USER;
 
-        $MessCategory      	= HTTP::_GP('category', 100);
+        $MessCategory      	= HTTP::_GP('category', -1);
         $page			= HTTP::_GP('side', 1);
 
         $db = Database::get();
@@ -522,4 +522,4 @@ function show()
 
         $this->display('page.messages.default.tpl');
     }
-}
\ No newline at end of file
+}