diff --git a/Build/targets.fsx b/Build/targets.fsx
index 4ca9ad8f8..b9965f0d8 100644
--- a/Build/targets.fsx
+++ b/Build/targets.fsx
@@ -7432,6 +7432,7 @@ Target.activateFinal "ResetConsoleColours"
 "Unpack" ==> "Issue114" ==> "Deployment"
 
 "Unpack" ==> "Issue156"
+=?> ("Deployment"", Environment.isWindows)
 
 "Unpack"
 ==> "DotnetGlobalIntegration"