diff --git a/src/store/index.js b/src/store/index.js
index a35b339b3..533ad3ad1 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -42,6 +42,7 @@ import {
     coverageTypeEnum,
 } from "@/constants/insurance";
 import { containsRecalParts } from "@/helpers/recal-helper";
+import { externalParameterStatus } from "@/constants/external-parameters";
 
 // Export State
 const getDefaultState = () => {
@@ -507,7 +508,7 @@ export const mutations = {
         saveExternalParameterState(externalParameterState);
     },
     resetIsExternalParameter(state) {
-        externalParameterState.isExternalParameter = null;
+        externalParameterState.isExternalParameter = externalParameterStatus.INACTIVE;
         saveExternalParameterState(externalParameterState);
     },
 
@@ -3423,6 +3424,7 @@ async function resetScheduleIfUnavailable(context, order, pageNameToLog) {
 function createExternalParameterDefaultState() {
     // create default externalParameter state
     const externalParameterDefaultState = {
+        isExternalParameter: externalParameterStatus.NOT_SET,
         vehicle: {
             year: null,
             make: null,