diff --git a/scripts/dotnet-cli-build/CompileTargets.cs b/scripts/dotnet-cli-build/CompileTargets.cs
index 13f0a53c0..266c3871d 100644
--- a/scripts/dotnet-cli-build/CompileTargets.cs
+++ b/scripts/dotnet-cli-build/CompileTargets.cs
@@ -477,9 +477,9 @@ namespace Microsoft.DotNet.Cli.Build
         public static BuildTargetResult CrossgenSharedFx(BuildTargetContext c, string pathToAssemblies)
         {
             // Check if we need to skip crossgen
-            if (!string.Equals(Environment.GetEnvironmentVariable("CROSSGEN_SHAREDFRAMEWORK"), "1"))
+            if (string.Equals(Environment.GetEnvironmentVariable("DONT_CROSSGEN_SHAREDFRAMEWORK"), "1"))
             {
-                c.Warn("Skipping crossgen for SharedFx because CROSSGEN_SHAREDFRAMEWORK is not set to 1");
+                c.Warn("Skipping crossgen for SharedFx because DONT_CROSSGEN_SHAREDFRAMEWORK is set to 1");
                 return c.Success();
             }
 
diff --git a/src/sharedframework/framework/project.json b/src/sharedframework/framework/project.json
index b10880254..b65eb3277 100644
--- a/src/sharedframework/framework/project.json
+++ b/src/sharedframework/framework/project.json
@@ -5,7 +5,8 @@
     },
 
     "dependencies": {
-        "Microsoft.NETCore.App": "1.0.0-rc2-23911"
+        "Microsoft.NETCore.App": "1.0.0-rc2-23911",
+        "Microsoft.CodeAnalysis.CSharp": "1.3.0-beta1-20160318-02"
     },
 
     "runtimes": {