diff --git a/chocolateyUninstall.ps1.template b/chocolateyUninstall.ps1.template
index cd8af68..e9f850d 100644
--- a/chocolateyUninstall.ps1.template
+++ b/chocolateyUninstall.ps1.template
@@ -1,8 +1,9 @@
 $packageName = 'TimberWinR-${version}' # arbitrary name for the package, used in messages
 $installerType = 'msi' #only one of these: exe, msi, msu
-$url = 'http://www.ericfontana.com/TimberWinR/TimberWinR-${version}.0.msi' # download url
-$silentArgs = '{58758EE5-4CDF-4258-81B2-0314F1290C24} /quiet' 
+$scriptPath =  $(Split-Path $MyInvocation.MyCommand.Path)
+$fileFullPath = Join-Path $scriptPath 'TimberWinR-${version}'
+$silentArgs = '${PROJECTGUID} /quiet' 
 $validExitCodes = @(0) #please insert other valid exit codes here, exit codes for ms http://msdn.microsoft.com/en-us/library/aa368542(VS.85).aspx
-UnInstall-ChocolateyPackage "$packageName" "$installerType" "$silentArgs" "$url" -validExitCodes $validExitCodes
+UnInstall-ChocolateyPackage "$packageName" "$installerType" "$silentArgs" "fileFullPath" -validExitCodes $validExitCodes
 
 
diff --git a/chocolateyUninstall.ps1.template.orig b/chocolateyUninstall.ps1.template.orig
index 7659c85..e2d665a 100644
--- a/chocolateyUninstall.ps1.template.orig
+++ b/chocolateyUninstall.ps1.template.orig
@@ -1,8 +1,7 @@
 $packageName = 'TimberWinR-${version}' # arbitrary name for the package, used in messages
 $installerType = 'msi' #only one of these: exe, msi, msu
-$url = 'http://www.ericfontana.com/TimberWinR/TimberWinR-${version}.0.msi' # download url
+$scriptPath =  $(Split-Path $MyInvocation.MyCommand.Path)
+$fileFullPath = Join-Path $scriptPath 'TimberWinR-${version}'
 $silentArgs = '${PROJECTGUID} /quiet' 
 $validExitCodes = @(0) #please insert other valid exit codes here, exit codes for ms http://msdn.microsoft.com/en-us/library/aa368542(VS.85).aspx
-UnInstall-ChocolateyPackage "$packageName" "$installerType" "$silentArgs" "$url" -validExitCodes $validExitCodes
-
-
+UnInstall-ChocolateyPackage "$packageName" "$installerType" "$silentArgs" "fileFullPath" -validExitCodes $validExitCodes
\ No newline at end of file