diff --git a/lnbits/extensions/cashu/migrations.py b/lnbits/extensions/cashu/migrations.py
index d06baef1a..0cc6a7d4a 100644
--- a/lnbits/extensions/cashu/migrations.py
+++ b/lnbits/extensions/cashu/migrations.py
@@ -42,7 +42,7 @@ async def m001_initial(db):
             amount INT,
             B_b TEXT NOT NULL,
             C_b TEXT NOT NULL,
-            cashu_id TEXT NOT NULL
+            cashu_id TEXT NOT NULL,
             UNIQUE (B_b)
         );
     """