diff --git a/app/services/repayment.py b/app/services/repayment.py
index 38e99e2..2ba7f7f 100644
--- a/app/services/repayment.py
+++ b/app/services/repayment.py
@@ -75,4 +75,4 @@ class RepaymentService:
         """
         Add a new repayment entry.
         """
-        return Repayment.create_repayment(customer_id, repayment_data)
\ No newline at end of file
+        return Repayment.create_repayment(repayment_data)
\ No newline at end of file