diff --git a/tools/win/InnoSetup/WindowsInnoSetup.iss.in b/tools/win/InnoSetup/WindowsInnoSetup.iss.in
index 82aa7a60d..55305d5f0 100644
--- a/tools/win/InnoSetup/WindowsInnoSetup.iss.in
+++ b/tools/win/InnoSetup/WindowsInnoSetup.iss.in
@@ -35,7 +35,7 @@
 ; NOTE: The value of AppId uniquely identifies this application.
 ; Do not use the same AppId value in installers for other applications.
 ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
-AppId={{128459AB-59A7-430A-8BD0-3D8803D50400}
+AppId={#MyAppName}{#MyAppVersion}
 AppName={#MyAppName}
 AppVersion={#MyAppVersion}
 VersionInfoVersion={#MyAppVersionNumeric}