diff --git a/build_projects/Microsoft.DotNet.Cli.Build.Framework/CurrentPlatform.cs b/build_projects/Microsoft.DotNet.Cli.Build.Framework/CurrentPlatform.cs
index 61b4ecff7..46803629b 100644
--- a/build_projects/Microsoft.DotNet.Cli.Build.Framework/CurrentPlatform.cs
+++ b/build_projects/Microsoft.DotNet.Cli.Build.Framework/CurrentPlatform.cs
@@ -93,7 +93,7 @@ namespace Microsoft.DotNet.Cli.Build.Framework
 
         public static bool IsPlatform(BuildPlatform platform, string version = null)
         {
-            return IsPlatform(platform) && IsVersion(version);
+            return IsPlatform(platform) && (version == null || IsVersion(version));
         }
 
         public static bool IsPlatform(BuildPlatform platform)
diff --git a/build_projects/dotnet-cli-build/DebTargets.cs b/build_projects/dotnet-cli-build/DebTargets.cs
index ab9324e8d..0fab6aa82 100644
--- a/build_projects/dotnet-cli-build/DebTargets.cs
+++ b/build_projects/dotnet-cli-build/DebTargets.cs
@@ -13,14 +13,14 @@ namespace Microsoft.DotNet.Cli.Build
     public class DebTargets
     {
         [Target(nameof(GenerateSdkDeb))]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult GenerateDebs(BuildTargetContext c)
         {
             return c.Success();
         }
 
         [Target(nameof(InstallSharedFramework))]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult GenerateSdkDeb(BuildTargetContext c)
         {
             var channel = c.BuildContext.Get<string>("Channel").ToLower();
@@ -61,7 +61,7 @@ namespace Microsoft.DotNet.Cli.Build
         [Target(nameof(InstallSDK),
                 nameof(RunE2ETest),
                 nameof(RemovePackages))]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult TestDebInstaller(BuildTargetContext c)
         {
             return c.Success();
@@ -92,7 +92,7 @@ namespace Microsoft.DotNet.Cli.Build
         }
         
         [Target]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult RunE2ETest(BuildTargetContext c)
         {
             Directory.SetCurrentDirectory(Path.Combine(Dirs.RepoRoot, "test", "EndToEnd"));
@@ -111,7 +111,7 @@ namespace Microsoft.DotNet.Cli.Build
         }
         
         [Target]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult RemovePackages(BuildTargetContext c)
         {
             IEnumerable<string> orderedPackageNames = new List<string>()
diff --git a/build_projects/dotnet-cli-build/PrepareTargets.cs b/build_projects/dotnet-cli-build/PrepareTargets.cs
index 03b5e5038..1b69277a2 100644
--- a/build_projects/dotnet-cli-build/PrepareTargets.cs
+++ b/build_projects/dotnet-cli-build/PrepareTargets.cs
@@ -317,7 +317,7 @@ namespace Microsoft.DotNet.Cli.Build
         }
 
         [Target]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult CheckUbuntuDebianPackageBuildDependencies(BuildTargetContext c)
         {
 
@@ -347,7 +347,7 @@ namespace Microsoft.DotNet.Cli.Build
         }
 
         [Target]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult CheckUbuntuCoreclrAndCoreFxDependencies(BuildTargetContext c)
         {
             var errorMessageBuilder = new StringBuilder();
diff --git a/build_projects/dotnet-cli-build/PublishTargets.cs b/build_projects/dotnet-cli-build/PublishTargets.cs
index 51422a11b..3e485c3bc 100644
--- a/build_projects/dotnet-cli-build/PublishTargets.cs
+++ b/build_projects/dotnet-cli-build/PublishTargets.cs
@@ -202,7 +202,7 @@ namespace Microsoft.DotNet.Cli.Build
 
         [Target(
             nameof(PublishSdkDebToDebianRepo))]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult PublishDebFilesToDebianRepo(BuildTargetContext c)
         {
             return c.Success();
@@ -218,7 +218,7 @@ namespace Microsoft.DotNet.Cli.Build
         }
         
         [Target]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult PublishSdkInstallerFileToAzure(BuildTargetContext c)
         {
             var version = CliNuGetVersion;
@@ -276,7 +276,7 @@ namespace Microsoft.DotNet.Cli.Build
         }
 
         [Target]
-        [BuildPlatforms(BuildPlatform.Ubuntu)]
+        [BuildPlatforms(BuildPlatform.Ubuntu, "14.04")]
         public static BuildTargetResult PublishSdkDebToDebianRepo(BuildTargetContext c)
         {
             var version = CliNuGetVersion;