diff --git a/share/schema.sql b/share/schema.sql
index 0cf08fc..5b854ca 100644
--- a/share/schema.sql
+++ b/share/schema.sql
@@ -13,7 +13,7 @@ CREATE TABLE destinations (
 );
 CREATE TABLE destination_files (
 	id		INTEGER PRIMARY KEY,
-	filename	TEXT	UNIQUE NOT NULL,
+	filename	TEXT,
 	last_change	INTEGER	NOT NULL DEFAULT (strftime('%s','now')),
 	source_file_id	INTEGER,
 	destination_id	INTEGER,