diff --git a/frontend/src/components/PaymentMethods/Cheque/index.tsx b/frontend/src/components/PaymentMethods/Cheque/index.tsx
index 64fde29..ef8731e 100644
--- a/frontend/src/components/PaymentMethods/Cheque/index.tsx
+++ b/frontend/src/components/PaymentMethods/Cheque/index.tsx
@@ -57,7 +57,7 @@ export function ContractCheque({ inputForm, price, productor }: ContractChequePr
                     { capfirst: true },
                 )}
                 min={1}
-                max={paymentMethod?.max || 3}
+                max={paymentMethod?.max && paymentMethod?.max !== "" ? Number(paymentMethod?.max) : 3}
                 {...inputForm.getInputProps(`cheque_quantity`)}
             />
             <Group grow>