diff --git a/lnbits/extensions/amilk/migrations.py b/lnbits/extensions/amilk/migrations.py
index fc2eb03..9f94a77 100644
--- a/lnbits/extensions/amilk/migrations.py
+++ b/lnbits/extensions/amilk/migrations.py
@@ -10,7 +10,7 @@ def m001_initial(db):
             id TEXT PRIMARY KEY,
             wallet TEXT NOT NULL,
             lnurl TEXT NOT NULL,
-            atime TEXT NOT NULL,
+            atime INTEGER NOT NULL,
             amount INTEGER NOT NULL
         );
     """)