diff --git a/Telegram/SourceFiles/boxes/url_auth_box.cpp b/Telegram/SourceFiles/boxes/url_auth_box.cpp
index 51735b1cdb..13649dca8c 100644
--- a/Telegram/SourceFiles/boxes/url_auth_box.cpp
+++ b/Telegram/SourceFiles/boxes/url_auth_box.cpp
@@ -409,7 +409,7 @@ void RequestButton(
 			url,
 			displayName,
 			session->user()->name(),
-			bot->firstName,
+			bot ? bot->firstName : QString(),
 			callback),
 		Ui::LayerOption::KeepOther);
 }