diff --git a/Telegram/SourceFiles/core/click_handler_types.cpp b/Telegram/SourceFiles/core/click_handler_types.cpp
index 3726fa3581..c7f95f9b25 100644
--- a/Telegram/SourceFiles/core/click_handler_types.cpp
+++ b/Telegram/SourceFiles/core/click_handler_types.cpp
@@ -49,7 +49,7 @@ QString tryConvertUrlToLocal(QString url) {
 		} else if (auto confirmPhoneMatch = regex_match(qsl("^confirmphone/?\\?(.+)"), query, matchOptions)) {
 			return qsl("tg://confirmphone?") + confirmPhoneMatch->captured(1);
 		} else if (auto usernameMatch = regex_match(qsl("^([a-zA-Z0-9\\.\\_]+)(/?\\?|/?$|/(\\d+)/?(?:\\?|$))"), query, matchOptions)) {
-			QString params = url.mid(usernameMatch->captured(0).size()), postParam;
+			QString params = query.mid(usernameMatch->captured(0).size()).toString(), postParam;
 			if (auto postMatch = regex_match(qsl("^/\\d+/?(?:\\?|$)"), usernameMatch->captured(2))) {
 				postParam = qsl("&post=") + usernameMatch->captured(3);
 			}
diff --git a/Telegram/build/build.bat b/Telegram/build/build.bat
index 97f4076526..775427765e 100644
--- a/Telegram/build/build.bat
+++ b/Telegram/build/build.bat
@@ -46,6 +46,11 @@ set "SignPath=%HomePath%\..\..\TelegramPrivate\Sign.bat"
 set "BinaryName=Telegram"
 set "DropboxSymbolsPath=X:\Telegram\symbols"
 
+if not exist %DropboxSymbolsPath% (
+  echo Dropbox path not found!
+  exit /b 1
+)
+
 if %BetaVersion% neq 0 (
   if exist %DeployPath%\ (
     echo Deploy folder for version %AppVersionStr% already exists!