diff --git a/Schema/Postgres.php b/Schema/Postgres.php
index 82ed3f4..18955ce 100644
--- a/Schema/Postgres.php
+++ b/Schema/Postgres.php
@@ -8,9 +8,9 @@
 
 function version_3(PDO $pdo)
 {
-    $pdo->exec('ALTER TABLE files ADD COLUMN "date" INTEGER NOT NULL DEFAULT 0');
-    $pdo->exec('ALTER TABLE files ADD COLUMN "user_id" INTEGER NOT NULL DEFAULT 0');
-    $pdo->exec('ALTER TABLE files ADD COLUMN "size" INTEGER NOT NULL DEFAULT 0');
+    $pdo->exec('ALTER TABLE wikipage_has_files ADD COLUMN "date" INTEGER NOT NULL DEFAULT 0');
+    $pdo->exec('ALTER TABLE wikipage_has_files ADD COLUMN "user_id" INTEGER NOT NULL DEFAULT 0');
+    $pdo->exec('ALTER TABLE wikipage_has_files ADD COLUMN "size" INTEGER NOT NULL DEFAULT 0');
 }
 
 function version_2(PDO $pdo)