diff --git a/src/Builder/GenericBuilder.php b/src/Builder/GenericBuilder.php
index 0d75a22..4b44632 100644
--- a/src/Builder/GenericBuilder.php
+++ b/src/Builder/GenericBuilder.php
@@ -292,7 +292,7 @@ public function writeTableName(Table $table)
      */
     public function writeColumnAlias($alias)
     {
-        return "'{$alias}'";
+        return sprintf('"%s"', $alias);
     }
 
     /**