diff --git a/build/BuildNuGets.csx b/build/BuildNuGets.csx
index 217726865c596da3804d7a45c1c7d4856732e338..fad578d31bc168540dad646989a25aa9d8c3875a 100644
--- a/build/BuildNuGets.csx
+++ b/build/BuildNuGets.csx
@@ -2,18 +2,27 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Reflection;
 
-string usage = @"usage: BuildNuGets.csx <binaries-dir> <build-version>";
+string usage = @"usage: BuildNuGets.csx <binaries-dir> <build-version> <output-directory>";
 
-if (Args.Length != 2)
+if (Args.Count() != 3)
 {
     Console.WriteLine(usage);
     Environment.Exit(1);
 }
 
-var binDir = Path.GetFullPath(Args[0]);
+var csiRoot = AppDomain.CurrentDomain.BaseDirectory;
+var slnRoot = Path.GetFullPath(Path.Combine(csiRoot, "../../"));
+
+// Strip trailing '\' characters because if the path is later passed on the
+// command line when surrounded by quotes (in case the path has spaces) some
+// utilities will consider the '\"' as an escape sequence for the end quote
+
+var binDir = Path.GetFullPath(Args[0]).TrimEnd('\\');
 var buildVersion = Args[1].Trim();
-var nuspecDirPath = Path.GetFullPath("../../src/NuGet");
+var nuspecDirPath = Path.GetFullPath(Path.Combine(slnRoot, "src/NuGet"));
+var outDir = Path.GetFullPath(Args[2]).TrimEnd('\\');
 
 var licenseUrl = @"http://go.microsoft.com/fwlink/?LinkId=529443";
 var authors = @"Microsoft";
@@ -21,23 +30,35 @@ var projectURL = @"http://msdn.com/roslyn";
 var tags = @"Roslyn CodeAnalysis Compiler CSharp VB VisualBasic Parser Scanner Lexer Emit CodeGeneration Metadata IL Compilation Scripting Syntax Semantics";
 
 var files = Directory.GetFiles(nuspecDirPath, "*.nuspec");
-var procs = new List<Process>(files.Length);
+
+int exit = 0;
 
 foreach (var file in files)
 {
     var nugetArgs = $@"pack {file} " +
         $@"-BasePath ""{binDir}"" " +
+        $@"-OutputDirectory ""{outDir}"" " +
         "-ExcludeEmptyDirectories " +
         $@"-prop licenseUrl=""{licenseUrl}"" " +
         $@"-prop version=""{buildVersion}"" " +
         $"-prop authors={authors} " +
         $@"-prop projectURL=""{projectURL}"" " +
         $@"-prop tags=""{tags}""";
-    Console.WriteLine(nugetArgs);
-    var p = Process.Start(Path.GetFullPath("../../nuget.exe"), nugetArgs);
-}
+    var nugetExePath = Path.GetFullPath(Path.Combine(slnRoot, "nuget.exe"));
+    var p = new Process();
+    p.StartInfo.FileName = nugetExePath;
+    p.StartInfo.Arguments = nugetArgs;
+    p.StartInfo.UseShellExecute = false;
 
-foreach (var p in procs)
-{
+    Console.WriteLine($"Running: nuget.exe {nugetArgs}");
+    p.Start();
     p.WaitForExit();
+    exit = p.ExitCode;
+
+    if (exit != 0)
+    {
+        break;
+    }
 }
+
+Environment.Exit(exit);