diff --git includes/database/pgsql/database.inc includes/database/pgsql/database.inc
index 98b954f..8a690f8 100644
--- includes/database/pgsql/database.inc
+++ includes/database/pgsql/database.inc
@@ -147,8 +147,8 @@ class DatabaseConnection_pgsql extends DatabaseConnection {
         // In PostgreSQL, 'LIKE' is case-sensitive. For case-insensitive LIKE
         // statements, we need to use ILIKE instead. Use backslash for escaping
         // wildcard characters.
-        'LIKE' => array('operator' => 'ILIKE', 'postfix' => ' ESCAPE ' . $this->quote("\\")),
-        'NOT LIKE' => array('operator' => 'NOT ILIKE', 'postfix' => ' ESCAPE ' . $this->quote("\\")),
+        'LIKE' => array('operator' => 'ILIKE',
+        'NOT LIKE' => array('operator' => 'NOT ILIKE')  ,
       );
     }