diff --git a/Telegram/build/build.sh b/Telegram/build/build.sh
index 3213f065df..061a72c007 100755
--- a/Telegram/build/build.sh
+++ b/Telegram/build/build.sh
@@ -290,7 +290,7 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "mac32" ] || [ "$BuildTarg
 
   echo "Signing the application.."
   if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "mac32" ]; then
-    codesign --force --deep --timestamp --options runtime --sign "Developer ID Application: TELEGRAM MESSENGER LLP (6N38VWS5BX)" "$ReleasePath/$BinaryName.app" --entitlements "$HomePath/Telegram/Telegram.entitlements"
+    codesign --force --deep --timestamp --options runtime --sign "Developer ID Application: John Preston" "$ReleasePath/$BinaryName.app" --entitlements "$HomePath/Telegram/Telegram.entitlements"
   elif [ "$BuildTarget" == "macstore" ]; then
     codesign --force --deep --sign "3rd Party Mac Developer Application: TELEGRAM MESSENGER LLP (6N38VWS5BX)" "$ReleasePath/$BinaryName.app" --entitlements "$HomePath/Telegram/Telegram Desktop.entitlements"
     echo "Making an installer.."