diff --git a/lnbits/core/crud.py b/lnbits/core/crud.py
index 0200e893a..af43d8f46 100644
--- a/lnbits/core/crud.py
+++ b/lnbits/core/crud.py
@@ -992,23 +992,22 @@ async def check_internal(
         return row["checking_id"]
 
 
-async def check_internal_pending(
+async def check_internal_status(
     payment_hash: str, conn: Optional[Connection] = None
 ) -> bool:
     """
-    Returns False if the internal payment is not pending anymore
-    (and thus paid), otherwise True
+    Returns True if the internal payment was successful
     """
     row: dict = await (conn or db).fetchone(
         """
         SELECT status FROM apipayments
-        WHERE payment_hash = :hash AND amount > 0
+        WHERE payment_hash = :payment_hash AND amount > 0
         """,
-        {"hash": payment_hash},
+        {"payment_hash": payment_hash},
     )
     if not row:
         return True
-    return row["status"] == PaymentState.PENDING.value
+    return row["status"] == PaymentState.SUCCESS.value
 
 
 async def mark_webhook_sent(payment_hash: str, status: int) -> None:
diff --git a/lnbits/core/migrations.py b/lnbits/core/migrations.py
index 30b921661..725a01edb 100644
--- a/lnbits/core/migrations.py
+++ b/lnbits/core/migrations.py
@@ -557,8 +557,11 @@ async def m023_add_column_column_to_apipayments(db):
     """
     renames hash to payment_hash and drops unused index
     """
-    await db.execute("ALTER TABLE apipayments DROP COLUMN pending")
     await db.execute("DROP INDEX by_hash")
     await db.execute("ALTER TABLE apipayments RENAME COLUMN hash TO payment_hash")
     await db.execute("ALTER TABLE apipayments RENAME COLUMN wallet TO wallet_id")
     await db.execute("ALTER TABLE accounts RENAME COLUMN pass TO password_hash")
+
+
+async def m023_drop_pending(db):
+    await db.execute("ALTER TABLE apipayments DROP COLUMN pending")
diff --git a/lnbits/core/services.py b/lnbits/core/services.py
index 99bbd2438..61a7b4cc6 100644
--- a/lnbits/core/services.py
+++ b/lnbits/core/services.py
@@ -46,7 +46,7 @@ from lnbits.wallets.base import (
 
 from .crud import (
     check_internal,
-    check_internal_pending,
+    check_internal_status,
     create_account,
     create_admin_settings,
     create_payment,
@@ -242,7 +242,7 @@ async def pay_invoice(
 
         # we check if an internal invoice exists that has already been paid
         # (not pending anymore)
-        if not await check_internal_pending(invoice.payment_hash, conn=conn):
+        if await check_internal_status(invoice.payment_hash, conn=conn):
             raise PaymentError("Internal invoice already paid.", status="failed")
 
         # check_internal() returns the checking_id of the invoice we're waiting for