diff --git a/Koha/REST/V1/Patrons/Account.pm b/Koha/REST/V1/Patrons/Account.pm
index e2d18f5824..95c998ad56 100644
--- a/Koha/REST/V1/Patrons/Account.pm
+++ b/Koha/REST/V1/Patrons/Account.pm
@@ -145,6 +145,10 @@ sub add_credit {
         my $note         = $body->{note};
         my $library_id   = $body->{library_id};
 
+        if ( C4::Context->preference("RequirePaymentType") && !defined($payment_type) ) {
+            Koha::Exceptions::Account::PaymentTypeRequired->throw();
+        }
+
         my $credit = $account->add_credit(
             {
                 amount       => $amount,