diff --git a/README.md b/README.md
index d7353540cd..274bf07af8 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![npm version](https://img.shields.io/npm/v/bootstrap.svg)](https://www.npmjs.com/package/bootstrap)
 [![Build Status](https://img.shields.io/travis/twbs/bootstrap/master.svg)](https://travis-ci.org/twbs/bootstrap)
 [![devDependency Status](https://img.shields.io/david/dev/twbs/bootstrap.svg)](https://david-dm.org/twbs/bootstrap#info=devDependencies)
-[![NuGet](https://img.shields.io/nuget/vpre/bootstrap.svg)](https://www.nuget.org/packages/bootstrap/4.0.0-alpha.2)
+[![NuGet](https://img.shields.io/nuget/vpre/bootstrap.svg)](https://www.nuget.org/packages/bootstrap/4.0.0-alpha2)
 [![Selenium Test Status](https://saucelabs.com/browser-matrix/bootstrap.svg)](https://saucelabs.com/u/bootstrap)
 
 Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development, created by [Mark Otto](https://twitter.com/mdo) and [Jacob Thornton](https://twitter.com/fat), and maintained by the [core team](https://github.com/orgs/twbs/people) with the massive support and involvement of the community.
diff --git a/nuget/MyGet.ps1 b/nuget/MyGet.ps1
index ad17dea91f..f5f16b5c83 100644
--- a/nuget/MyGet.ps1
+++ b/nuget/MyGet.ps1
@@ -1,8 +1,18 @@
+# set env vars usually set by MyGet (enable for local testing)
+#$env:SourcesPath = '..' 
+#$env:NuGet = "./nuget.exe" #https://dist.nuget.org/win-x86-commandline/latest/nuget.exe
+
 $nuget = $env:NuGet
 
 #parse the version number out of package.json
-$bsversion = ((Get-Content $env:SourcesPath\package.json) -join "`n" | ConvertFrom-Json).version
+$bsversionParts = ((Get-Content $env:SourcesPath\package.json) -join "`n" | ConvertFrom-Json).version.split('-', 2) #split the version on the '-'
+$bsversion = $bsversionParts[0]
+
+if($bsversionParts.Length -gt 1) 
+{ 
+    $bsversion += '-' + $bsversionParts[1].replace('.', '').replace('-', '_') #strip out invalid chars from the PreRelease part
+}
 
 #create packages
-& $nuget pack "nuget\bootstrap.nuspec" -Verbosity detailed -NonInteractive -NoPackageAnalysis -BasePath $env:SourcesPath -Version $bsversion
-& $nuget pack "nuget\bootstrap.less.nuspec" -Verbosity detailed -NonInteractive -NoPackageAnalysis -BasePath $env:SourcesPath -Version $bsversion
\ No newline at end of file
+& $nuget pack "$env:SourcesPath\nuget\bootstrap.nuspec" -Verbosity detailed -NonInteractive -NoPackageAnalysis -BasePath $env:SourcesPath -Version $bsversion
+& $nuget pack "$env:SourcesPath\nuget\bootstrap.sass.nuspec" -Verbosity detailed -NonInteractive -NoPackageAnalysis -BasePath $env:SourcesPath -Version $bsversion
\ No newline at end of file