diff --git a/app/controllers/api/payments_controller.rb b/app/controllers/api/payments_controller.rb
index d7628024..f0d9a6d1 100755
--- a/app/controllers/api/payments_controller.rb
+++ b/app/controllers/api/payments_controller.rb
@@ -40,7 +40,11 @@ class Api::PaymentsController < Api::ApiController
 
                 render json: JSON.generate({:status => true, :balance_amount => card_balance_amount,:receipt_no => sale.receipt_no, :message => "Payment successful."})
               else
-                render json: JSON.generate({:status => false, :balance_amount => @membership_data["card_balance_amount"], :error_message => @membership_data["message"]})
+                if @membership_data["card_balance_amount"] != "null"
+                  render json: JSON.generate({:status => false, :balance_amount => @membership_data["card_balance_amount"], :error_message => @membership_data["message"]})
+                else
+                  render json: JSON.generate({:status => false, :error_message => @membership_data["message"]})
+                end
               end
             else
               render json: JSON.generate({:status => false, :error_message => @message})