diff --git a/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts b/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts
index 644221b3..4f67b21a 100644
--- a/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts
@@ -118,21 +118,23 @@ export class AppAuthenticationService {
       environment.customConfig.appKey
     );
 
-    appUserInfo = {
-      ...appUserInfo,
-      settings: {
-        ...appUserInfo.settings,
-        general: {
-          ...appUserInfo.settings.general,
-          autoLogin: false
+    if (!!appUserInfo) {
+      appUserInfo = {
+        ...appUserInfo,
+        settings: {
+          ...appUserInfo.settings,
+          general: {
+            ...appUserInfo.settings.general,
+            autoLogin: false
+          }
         }
-      }
-    };
+      };
 
-    this.localStorageService.encSet<AppUserInfo>(
-      KEY_APP_USER_INFO,
-      appUserInfo,
-      environment.customConfig.appKey
-    );
+      this.localStorageService.encSet<AppUserInfo>(
+        KEY_APP_USER_INFO,
+        appUserInfo,
+        environment.customConfig.appKey
+      );
+    }
   }
 }