diff --git a/npm/ng-packs/packages/core/src/lib/services/localization.service.ts b/npm/ng-packs/packages/core/src/lib/services/localization.service.ts
index dd64bd27eca..5cdbe3c2911 100644
--- a/npm/ng-packs/packages/core/src/lib/services/localization.service.ts
+++ b/npm/ng-packs/packages/core/src/lib/services/localization.service.ts
@@ -2,7 +2,7 @@ import { Injectable, Injector, NgZone, Optional, SkipSelf } from '@angular/core'
 import { ActivatedRouteSnapshot, Router } from '@angular/router';
 import { Actions, ofActionSuccessful, Store } from '@ngxs/store';
 import { noop, Observable } from 'rxjs';
-import { map } from 'rxjs/operators';
+import { filter, map } from 'rxjs/operators';
 import { SetLanguage } from '../actions/session.actions';
 import { Config } from '../models/config';
 import { ConfigState } from '../states/config.state';
@@ -22,7 +22,10 @@ export class LocalizationService {
   }
 
   get languageChange(): Observable<SetLanguage> {
-    return this.actions.pipe(ofActionSuccessful(SetLanguage));
+    return this.actions.pipe(
+      ofActionSuccessful(SetLanguage),
+      filter((action: SetLanguage) => action.dispatchAppConfiguration !== false),
+    );
   }
 
   constructor(
diff --git a/npm/ng-packs/packages/core/src/lib/states/config.state.ts b/npm/ng-packs/packages/core/src/lib/states/config.state.ts
index 86399814566..4e686dbe622 100644
--- a/npm/ng-packs/packages/core/src/lib/states/config.state.ts
+++ b/npm/ng-packs/packages/core/src/lib/states/config.state.ts
@@ -218,20 +218,17 @@ export class ConfigState {
           }),
         ),
         switchMap(configuration => {
-          let defaultLang: string =
-            configuration.setting.values['Abp.Localization.DefaultLanguage'];
+          let lang = configuration.localization.currentCulture.cultureName;
 
-          if (defaultLang.includes(';')) {
-            defaultLang = defaultLang.split(';')[0];
+          if (lang.includes(';')) {
+            lang = lang.split(';')[0];
           }
 
-          document.documentElement.setAttribute(
-            'lang',
-            configuration.localization.currentCulture.cultureName,
-          );
+          document.documentElement.setAttribute('lang', lang);
+
           return this.store.selectSnapshot(SessionState.getLanguage)
             ? of(null)
-            : dispatch(new SetLanguage(defaultLang, false));
+            : dispatch(new SetLanguage(lang, false));
         }),
         catchError((err: HttpErrorResponse) => {
           dispatch(new RestOccurError(err));
diff --git a/npm/ng-packs/packages/core/src/lib/tests/config.state.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/config.state.spec.ts
index f9a68e5fd63..e641cc22416 100644
--- a/npm/ng-packs/packages/core/src/lib/tests/config.state.spec.ts
+++ b/npm/ng-packs/packages/core/src/lib/tests/config.state.spec.ts
@@ -249,8 +249,7 @@ describe('ConfigState', () => {
       let dispatchArg;
 
       const configuration = {
-        setting: { values: { 'Abp.Localization.DefaultLanguage': 'tr;TR' } },
-        localization: { currentCulture: {} },
+        localization: { currentCulture: { cultureName: 'en;EN' } },
       };
 
       const res$ = new ReplaySubject(1);
@@ -269,7 +268,7 @@ describe('ConfigState', () => {
       timer(0).subscribe(() => {
         expect(patchStateArg).toEqual(configuration);
         expect(dispatchArg instanceof SetLanguage).toBeTruthy();
-        expect(dispatchArg).toEqual({ payload: 'tr', dispatchAppConfiguration: false });
+        expect(dispatchArg).toEqual({ payload: 'en', dispatchAppConfiguration: false });
         done();
       });
     });