diff --git a/src/lib/gramjs/client/TelegramClient.js b/src/lib/gramjs/client/TelegramClient.js
index d5290b52..3d5643b7 100644
--- a/src/lib/gramjs/client/TelegramClient.js
+++ b/src/lib/gramjs/client/TelegramClient.js
@@ -69,7 +69,7 @@ class TelegramClient {
      * @param opts
      */
     constructor(session, apiId, apiHash, opts = TelegramClient.DEFAULT_OPTIONS) {
-        if (apiId === undefined || apiHash === undefined) {
+        if (!apiId || !apiHash) {
             throw Error('Your API ID or Hash are invalid. Please read "Requirements" on README.md');
         }
         const args = { ...TelegramClient.DEFAULT_OPTIONS, ...opts };
diff --git a/src/modules/actions/apiUpdaters/initial.ts b/src/modules/actions/apiUpdaters/initial.ts
index 6ab7baea..6c38a826 100644
--- a/src/modules/actions/apiUpdaters/initial.ts
+++ b/src/modules/actions/apiUpdaters/initial.ts
@@ -59,7 +59,9 @@ addReducer('apiUpdate', (global, actions, update: ApiUpdate) => {
         actions.signOut();
       }
 
-      actions.showDialog({ data: { ...update.error, hasErrorKey: true } });
+      if (actions.showDialog) {
+        actions.showDialog({ data: { ...update.error, hasErrorKey: true } });
+      }
 
       break;
   }