Pledges are also recurring

js/crm.payment.js

@@ -212,6 +212,11 @@
           isRecur = Boolean($('input[name="auto_renew"]').checked);
         }
       }
+      if (!isRecur) {
+        // multi-installment pledges are also recurring....
+        const is_pledge = $('input[name="is_pledge"]:checked');
+        isRecur = is_pledge.length === 1 && parseInt(is_pledge.val()) !== 0 && parseInt($('#pledge_installments').val()) > 1;
+      }
       this.debugging(this.name, 'isRecur is ' + isRecur);
       return isRecur;
     },