diff --git a/src/Resources/contao/dca/tl_real_estate.php b/src/Resources/contao/dca/tl_real_estate.php
index 7bab75f..6f04685 100644
--- a/src/Resources/contao/dca/tl_real_estate.php
+++ b/src/Resources/contao/dca/tl_real_estate.php
@@ -184,7 +184,7 @@
             (
                 array('tl_real_estate', 'generateAlias')
             ),
-            'sql'                     => "varchar(255) COLLATE utf8_bin NOT NULL default ''"
+            'sql'                     => "varchar(255) BINARY NOT NULL default ''"
         ),
         'provider' => array
         (