diff --git a/src/global/init.ts b/src/global/init.ts
index 8b501155a..94621cef1 100644
--- a/src/global/init.ts
+++ b/src/global/init.ts
@@ -3,6 +3,7 @@ import {
 } from './index';
 
 import { INITIAL_GLOBAL_STATE, INITIAL_TAB_STATE } from './initialState';
+import { IS_MULTITAB_SUPPORTED } from '../util/environment';
 import { IS_MOCKED_CLIENT } from '../config';
 import { initCache, loadCache } from './cache';
 import { cloneDeep } from '../util/iteratees';
@@ -62,8 +63,8 @@ addActionHandler('init', (global, actions, payload): ActionReturnType => {
     },
   };
 
-  if (isMasterTab) {
-    initialTabState.isMasterTab = isMasterTab;
+  if (isMasterTab || !IS_MULTITAB_SUPPORTED) {
+    initialTabState.isMasterTab = true;
   }
 
   Object.keys(global.messages.byChatId).forEach((chatId) => {
@@ -122,6 +123,10 @@ addActionHandler('init', (global, actions, payload): ActionReturnType => {
     });
   }
 
+  if (!IS_MULTITAB_SUPPORTED) {
+    actions.initApi();
+  }
+
   return updateTabState(global, {
     messageLists: parsedMessageList ? [parsedMessageList] : initialTabState.messageLists,
   }, tabId);