diff --git a/src/components/NotificationPreferenceModal.vue b/src/components/NotificationPreferenceModal.vue
index 5ee91f96f..be5f8da9e 100644
--- a/src/components/NotificationPreferenceModal.vue
+++ b/src/components/NotificationPreferenceModal.vue
@@ -87,6 +87,7 @@ export default defineComponent({
   },
   computed: {
     ...mapGetters({
+      userProfile: 'user/getUserProfile',
       currentFacility: 'user/getCurrentFacility',
       instanceUrl: 'user/getInstanceUrl',
       notificationPrefs: 'user/getNotificationPrefs'
@@ -144,17 +145,17 @@ export default defineComponent({
       }
     },
     async handleTopicSubscription() {
-      const oms = this.instanceUrl
+      const ofbizInstanceName = this.userProfile.ofbizInstanceName
       const facilityId = (this.currentFacility as any).facilityId
       const subscribeRequests = [] as any
       this.notificationPrefToUpate.subscribe.map(async (enumId: string) => {
-        const topicName = generateTopicName(oms, facilityId, enumId)
+        const topicName = generateTopicName(ofbizInstanceName, facilityId, enumId)
         await subscribeRequests.push(subscribeTopic(topicName, process.env.VUE_APP_NOTIF_APP_ID))
       })
 
       const unsubscribeRequests = [] as any
       this.notificationPrefToUpate.unsubscribe.map(async (enumId: string) => {
-        const topicName = generateTopicName(oms, facilityId, enumId)
+        const topicName = generateTopicName(ofbizInstanceName, facilityId, enumId)
         await unsubscribeRequests.push(unsubscribeTopic(topicName, process.env.VUE_APP_NOTIF_APP_ID))
       })
 
diff --git a/src/store/modules/user/actions.ts b/src/store/modules/user/actions.ts
index 54a72c892..3d905ebc8 100644
--- a/src/store/modules/user/actions.ts
+++ b/src/store/modules/user/actions.ts
@@ -179,7 +179,7 @@ const actions: ActionTree<UserState, RootState> = {
 
   async fetchNotificationPreferences({ commit, state }) {
     let resp = {} as any
-    const oms = state.instanceUrl
+    const ofbizInstanceName = state.current.ofbizInstanceName
     const facilityId = (state.currentFacility as any).facilityId
     let notificationPreferences = [], enumerationResp = [], userPrefIds = [] as any
     try {
@@ -194,7 +194,7 @@ const actions: ActionTree<UserState, RootState> = {
       // data and getNotificationUserPrefTypeIds fails or returns empty response (all disbaled)
       if (enumerationResp.length) {
         notificationPreferences = enumerationResp.reduce((notifactionPref: any, pref: any) => {
-          const userPrefTypeIdToSearch = generateTopicName(oms, facilityId, pref.enumId)
+          const userPrefTypeIdToSearch = generateTopicName(ofbizInstanceName, facilityId, pref.enumId)
           notifactionPref.push({ ...pref, isEnabled: userPrefIds.includes(userPrefTypeIdToSearch) })
           return notifactionPref
         }, [])
diff --git a/src/utils/firebase.ts b/src/utils/firebase.ts
index bf903a7b2..6d027a0f3 100644
--- a/src/utils/firebase.ts
+++ b/src/utils/firebase.ts
@@ -9,7 +9,7 @@ const addNotification = async (notification: any) => store.dispatch('user/addNot
 const generateDeviceId = () => (DateTime.now().toFormat('ddMMyy') + String(DateTime.now().toMillis()).slice(-6))
 
 // topic name: oms-facilityId-enumId(enumCode)
-const generateTopicName = (oms: string, facilityId: string, enumId: string) => `${oms}-${facilityId}-${enumId}`
+const generateTopicName = (ofbizInstanceName: string, facilityId: string, enumId: string) => `${ofbizInstanceName}-${facilityId}-${enumId}`
 
 export {
   addNotification,