diff --git a/sample/All/CLIENT_DATA/setup32.opsiscript b/sample/All/CLIENT_DATA/setup32.opsiscript
index 2f106c4..122b931 100644
--- a/sample/All/CLIENT_DATA/setup32.opsiscript
+++ b/sample/All/CLIENT_DATA/setup32.opsiscript
@@ -8,6 +8,7 @@ requiredWinstVersion >= "4.11.4.6"
 ScriptErrorMessages=off
 
 DefVar $MsiIdOld$
+DefVar $UninstallProgram$
 DefVar $UninstallProgramOld$
 DefVar $IniFile$
 DefVar $IniCfgFile$
diff --git a/sample/All/CLIENT_DATA/setup3264.opsiscript b/sample/All/CLIENT_DATA/setup3264.opsiscript
index 98948ad..91f7967 100644
--- a/sample/All/CLIENT_DATA/setup3264.opsiscript
+++ b/sample/All/CLIENT_DATA/setup3264.opsiscript
@@ -8,9 +8,11 @@ requiredWinstVersion >= "4.11.4.6"
 ScriptErrorMessages=off
 
 DefVar $MsiIdOld32$
+DefVar $UninstallProgram32$
 DefVar $UninstallProgramOld32$
 DefVar $IniFile32$
 DefVar $MsiIdOld64$
+DefVar $UninstallProgram64$
 DefVar $UninstallProgramOld64$
 DefVar $IniFile64$
 DefVar $IniCfgFile$
diff --git a/sample/All/CLIENT_DATA/setup64.opsiscript b/sample/All/CLIENT_DATA/setup64.opsiscript
index 25de817..ae1a735 100644
--- a/sample/All/CLIENT_DATA/setup64.opsiscript
+++ b/sample/All/CLIENT_DATA/setup64.opsiscript
@@ -8,6 +8,7 @@ requiredWinstVersion >= "4.11.4.6"
 ScriptErrorMessages=off
 
 DefVar $MsiIdOld$
+DefVar $UninstallProgram$
 DefVar $UninstallProgramOld$
 DefVar $IniFile$
 DefVar $IniCfgFile$
diff --git a/sample/All/CLIENT_DATA/uninstall32.opsiscript b/sample/All/CLIENT_DATA/uninstall32.opsiscript
index 60aebbb..c870492 100644
--- a/sample/All/CLIENT_DATA/uninstall32.opsiscript
+++ b/sample/All/CLIENT_DATA/uninstall32.opsiscript
@@ -8,6 +8,7 @@ requiredWinstVersion >= "4.11.4.6"
 ScriptErrorMessages=off
 
 DefVar $MsiIdOld$
+DefVar $UninstallProgram$
 DefVar $UninstallProgramOld$
 DefVar $IniFile$
 DefVar $IniCfgFile$
diff --git a/sample/All/CLIENT_DATA/uninstall3264.opsiscript b/sample/All/CLIENT_DATA/uninstall3264.opsiscript
index b6871db..28e65a6 100644
--- a/sample/All/CLIENT_DATA/uninstall3264.opsiscript
+++ b/sample/All/CLIENT_DATA/uninstall3264.opsiscript
@@ -8,9 +8,11 @@ requiredWinstVersion >= "4.11.4.6"
 ScriptErrorMessages=off
 
 DefVar $MsiIdOld32$
+DefVar $UninstallProgram32$
 DefVar $UninstallProgramOld32$
 DefVar $IniFile32$
 DefVar $MsiIdOld64$
+DefVar $UninstallProgram64$
 DefVar $UninstallProgramOld64$
 DefVar $IniFile64$
 DefVar $IniCfgFile$
diff --git a/sample/All/CLIENT_DATA/uninstall64.opsiscript b/sample/All/CLIENT_DATA/uninstall64.opsiscript
index c140fc2..85d295a 100644
--- a/sample/All/CLIENT_DATA/uninstall64.opsiscript
+++ b/sample/All/CLIENT_DATA/uninstall64.opsiscript
@@ -8,6 +8,7 @@ requiredWinstVersion >= "4.11.4.6"
 ScriptErrorMessages=off
 
 DefVar $MsiIdOld$
+DefVar $UninstallProgram$
 DefVar $UninstallProgramOld$
 DefVar $IniFile$
 DefVar $IniCfgFile$