diff --git a/Telegram/build/setup.iss b/Telegram/build/setup.iss
index 71e5e7d704..cce765e003 100644
--- a/Telegram/build/setup.iss
+++ b/Telegram/build/setup.iss
@@ -20,7 +20,7 @@ DefaultDirName={userappdata}\{#MyAppName}
 DefaultGroupName={#MyAppName}
 AllowNoIcons=yes
 OutputDir={#ReleasePath}
-OutputBaseFilename=tsetup.{#MyAppVersionFull}
+OutputBaseFilename=ksetup.{#MyAppVersionFull}
 SetupIconFile={#SourcePath}..\Resources\art\icon256.ico
 UninstallDisplayIcon={app}\Kotatogram.exe
 Compression=lzma