diff --git a/resources/assets/vue/components/bookings/forms/EditBookingAmountFormComponent.vue b/resources/assets/vue/components/bookings/forms/EditBookingAmountFormComponent.vue
index bc3bd591..20e2d27b 100644
--- a/resources/assets/vue/components/bookings/forms/EditBookingAmountFormComponent.vue
+++ b/resources/assets/vue/components/bookings/forms/EditBookingAmountFormComponent.vue
@@ -55,7 +55,7 @@
         },
         methods: {
             submitForm(){
-                this.parameters = {fix_amount : parseFloat((this.parameters.fix_amount).toString().replace(',', ''))}
+                this.parameters = {fix_amount : parseFloat((this.fix_amount).toString().replace(',', ''))}
                 this.submit(this.route('api.booking.booking_amount.update', this.data.id), 'put', this.section, true, true)
             },
             successHandler(){