diff --git a/dev/installers/windows/holdit_innosetup_script.iss.in b/dev/installers/windows/holdit_innosetup_script.iss.in
index 5a5b680..a091b38 100644
--- a/dev/installers/windows/holdit_innosetup_script.iss.in
+++ b/dev/installers/windows/holdit_innosetup_script.iss.in
@@ -19,7 +19,7 @@
 ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
 ; Also, the AppId setting must start with two "{" characters.
 
-AppId={{70159B80-2224-4213-B793-6156073E95E3}
+AppId={{F8C60880-F6DD-4FB3-A0A8-B9E6DBFAF183}
 AppName={#MyAppName}
 AppVersion={#MyAppVersion}
 ;AppVerName={#MyAppName} {#MyAppVersion}