diff --git a/crud.py b/crud.py
index 98d1305..12e1ce2 100644
--- a/crud.py
+++ b/crud.py
@@ -57,11 +57,7 @@ async def create_card(data: CreateCardData, wallet_id: str) -> Card:
     return card
 
 
-async def update_card(card_id: str, data: CreateCardData) -> Card:
-    card = Card(
-        id=card_id,
-        **data.dict(),
-    )
+async def update_card(card: Card) -> Card:
     await db.update("boltcards.cards", card)
     return card
 
diff --git a/migrations.py b/migrations.py
index 43d5bb0..8d8464f 100644
--- a/migrations.py
+++ b/migrations.py
@@ -55,3 +55,76 @@ async def m001_initial(db):
         );
     """
     )
+
+
+async def m002_correct_typing(db):
+    await db.execute("ALTER TABLE boltcards.cards RENAME TO cards_m001;")
+    await db.execute(
+        """
+        CREATE TABLE boltcards.cards (
+            id TEXT PRIMARY KEY UNIQUE,
+            wallet TEXT NOT NULL,
+            card_name TEXT NOT NULL,
+            uid TEXT NOT NULL UNIQUE,
+            external_id TEXT NOT NULL UNIQUE,
+            counter INT NOT NULL DEFAULT 0,
+            tx_limit INT NOT NULL,
+            daily_limit INT NOT NULL,
+            enable BOOL NOT NULL,
+            k0 TEXT NOT NULL DEFAULT '00000000000000000000000000000000',
+            k1 TEXT NOT NULL DEFAULT '00000000000000000000000000000000',
+            k2 TEXT NOT NULL DEFAULT '00000000000000000000000000000000',
+            prev_k0 TEXT NOT NULL DEFAULT '00000000000000000000000000000000',
+            prev_k1 TEXT NOT NULL DEFAULT '00000000000000000000000000000000',
+            prev_k2 TEXT NOT NULL DEFAULT '00000000000000000000000000000000',
+            otp TEXT NOT NULL DEFAULT '',
+            time TIMESTAMP NOT NULL DEFAULT """
+        + db.timestamp_now
+        + """
+        );
+    """
+    )
+
+    await db.execute(
+        """
+        INSERT INTO boltcards.cards (
+            id,
+            wallet,
+            card_name,
+            uid,
+            external_id,
+            counter,
+            tx_limit,
+            daily_limit,
+            enable,
+            k0,
+            k1,
+            k2,
+            prev_k0,
+            prev_k1,
+            prev_k2,
+            otp,
+            time
+        )
+        SELECT
+            id,
+            wallet,
+            card_name,
+            uid,
+            external_id,
+            counter,
+            CAST(tx_limit AS INT),
+            CAST(daily_limit AS INT),
+            enable,
+            k0,
+            k1,
+            k2,
+            prev_k0,
+            prev_k1,
+            prev_k2,
+            otp,
+            time
+        FROM boltcards.cards_m001;
+    """
+    )
+    await db.execute("DROP TABLE boltcards.cards_m001;")
diff --git a/models.py b/models.py
index f2220c5..ca744cb 100644
--- a/models.py
+++ b/models.py
@@ -17,10 +17,8 @@ class Card(BaseModel):
     uid: str
     external_id: str
     counter: int
-    # TODO: database column is TEXT should be INT
-    tx_limit: str
-    # TODO: database column is TEXT should be INT
-    daily_limit: str
+    tx_limit: int
+    daily_limit: int
     enable: bool
     k0: str
     k1: str
diff --git a/views_api.py b/views_api.py
index acaac9c..a2f7a12 100644
--- a/views_api.py
+++ b/views_api.py
@@ -71,7 +71,6 @@ async def api_card_update(
     card_id: str,
     wallet: WalletTypeInfo = Depends(require_admin_key),
 ) -> Card:
-
     card = await get_card(card_id)
     if not card:
         raise HTTPException(
@@ -85,8 +84,9 @@ async def api_card_update(
             detail="UID already registered. Delete registered card and try again.",
             status_code=HTTPStatus.BAD_REQUEST,
         )
-    card = await update_card(card_id, **data.dict())
-    assert card, "update_card should always return a card"
+    for key, value in data.dict().items():
+        setattr(card, key, value)
+    await update_card(card)
     return card