diff --git a/Demos/GuessG3/GuessBootGen3.Cosmos b/Demos/GuessG3/GuessBootGen3.Cosmos
index 9a2d122fd1..6f4018658e 100644
--- a/Demos/GuessG3/GuessBootGen3.Cosmos
+++ b/Demos/GuessG3/GuessBootGen3.Cosmos
@@ -3,7 +3,7 @@
     <TargetFramework>net462</TargetFramework>
   </PropertyGroup>
   <PropertyGroup>
-    <UseGen3Kernel>True</UseGen3Kernel>
+    <KernelPkg>X86G3</KernelPkg>
     <BinFormat>elf</BinFormat>
     <DebugEnabled>False</DebugEnabled>
     <DebugMode>Source</DebugMode>
diff --git a/source/Cosmos.Build.MSBuild/Cosmos.targets b/source/Cosmos.Build.MSBuild/Cosmos.targets
index 7132895d96..eb4eba5de5 100644
--- a/source/Cosmos.Build.MSBuild/Cosmos.targets
+++ b/source/Cosmos.Build.MSBuild/Cosmos.targets
@@ -18,14 +18,14 @@
     <AssemblySearchPaths>$(CosmosDir)\Kernel</AssemblySearchPaths>
   </PropertyGroup>
 
-  <ItemGroup Condition="$(UseGen3Kernel) != 'True'">
+  <ItemGroup Condition="$(KernelPkg) == ''">
     <Reference Include="Cosmos.Core_Asm, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
     <Reference Include="Cosmos.Core_Plugs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
     <Reference Include="Cosmos.Debug.Kernel.Plugs.Asm, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
     <Reference Include="Cosmos.System2_Plugs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
     <Reference Remove="System.Core" />
   </ItemGroup>
-  <ItemGroup Condition="$(UseGen3Kernel) == 'True'">
+  <ItemGroup Condition="$(KernelPkg) == 'X86G3'">
     <Reference Include="Cosmos.CPU_Plugs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
     <Reference Include="Cosmos.CPU_Asm, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
     <Reference Include="Cosmos.System_Plugs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=5ae71220097cb983" />
@@ -48,7 +48,7 @@
     <CreateProperty Value="false" Condition="$(BinFormat) == 'bin'">
       <Output PropertyName="IsELF" TaskParameter="Value"/>
     </CreateProperty>
-    <Cosmos.Build.MSBuild.IL2CPU UseGen3Kernel="$(UseGen3Kernel)" DebugMode="$(DebugMode)" DebugEnabled="$(DebugEnabled)" StackCorruptionDetectionEnabled="$(StackCorruptionDetectionEnabled)" StackCorruptionDetectionLevel="$(StackCorruptionDetectionLevel)" TraceAssemblies="$(TraceAssemblies)" IgnoreDebugStubAttribute="$(IgnoreDebugStubAttribute)" DebugCom="1" UseNAsm="true" References="@(ReferencePath)" AssemblySearchDirs="$(AssemblySearchPaths)" OutputFilename="$(TargetDir)$(MSBuildProjectName).asm" EnableLogging="true" EmitDebugSymbols="$(DebugSymbols)" CosmosBuildDir="$(CosmosDir)\Build" WorkingDir="$(TargetDir)"/>
+    <Cosmos.Build.MSBuild.IL2CPU KernelPkg="$(KernelPkg)" DebugMode="$(DebugMode)" DebugEnabled="$(DebugEnabled)" StackCorruptionDetectionEnabled="$(StackCorruptionDetectionEnabled)" StackCorruptionDetectionLevel="$(StackCorruptionDetectionLevel)" TraceAssemblies="$(TraceAssemblies)" IgnoreDebugStubAttribute="$(IgnoreDebugStubAttribute)" DebugCom="1" UseNAsm="true" References="@(ReferencePath)" AssemblySearchDirs="$(AssemblySearchPaths)" OutputFilename="$(TargetDir)$(MSBuildProjectName).asm" EnableLogging="true" EmitDebugSymbols="$(DebugSymbols)" CosmosBuildDir="$(CosmosDir)\Build" WorkingDir="$(TargetDir)"/>
     <Cosmos.Build.MSBuild.NAsm InputFile="$(TargetDir)$(MSBuildProjectName).asm" OutputFile="$(TargetDir)$(MSBuildProjectName).obj" IsELF="$(IsELF)" ExePath="$(NasmFile)"/>
     <!-- ELF only -->
     <!-- 16 MB 0x1000000 as per hpa (syslinux) is a good spot. For now just put some dummy values. 16 and 32 MB. Later size better. -->
diff --git a/source/Cosmos.Build.MSBuild/IL2CPU.cs b/source/Cosmos.Build.MSBuild/IL2CPU.cs
index a9c855922b..c1bafb4367 100644
--- a/source/Cosmos.Build.MSBuild/IL2CPU.cs
+++ b/source/Cosmos.Build.MSBuild/IL2CPU.cs
@@ -9,9 +9,7 @@ namespace Cosmos.Build.MSBuild
 {
     public class IL2CPU : BaseToolTask
     {
-        // protected CompilerEngine mTask = new CompilerEngine();
-
-        public bool UseGen3Kernel { get; set; }
+        public string KernelPkg { get; set; }
 
         [Required]
         public string CosmosBuildDir { get; set; }
@@ -80,10 +78,9 @@ public override bool Execute()
 
             try
             {
-                //TODO: Add AdditionalReferences and AdditionalSearchDirs here and to log messages below.
                 Dictionary<string, string> args = new Dictionary<string, string>
                 {
-                    {"UseGen3Kernel", Convert.ToString(UseGen3Kernel)},
+                    {"KernelPkg", Convert.ToString(KernelPkg)},
                     {"DebugEnabled", Convert.ToString(DebugEnabled)},
                     {"StackCorruptionDetectionEnabled", Convert.ToString(StackCorruptionDetectionEnabled)},
                     {"StackCorruptionDetectionLevel", Convert.ToString(StackCorruptionDetectionLevel)},
diff --git a/source/Cosmos.IL2CPU/CompilerEngine.cs b/source/Cosmos.IL2CPU/CompilerEngine.cs
index 526b1e3427..a3202d44b4 100644
--- a/source/Cosmos.IL2CPU/CompilerEngine.cs
+++ b/source/Cosmos.IL2CPU/CompilerEngine.cs
@@ -20,7 +20,14 @@ public class CompilerEngine {
         public Action<Exception> OnLogException;
         protected static Action<string> mStaticLog = null;
 
-        public static bool UseGen3Kernel { get; set; }
+        public static string KernelPkg { get; set; }
+        public static bool UseGen3Kernel
+        {
+            get
+            {
+                return KernelPkg == "X86G3";
+            }
+        }
         public string DebugMode { get; set; }
         public string TraceAssemblies { get; set; }
         public byte DebugCom { get; set; }
diff --git a/source/Cosmos.IL2CPU/Program.cs b/source/Cosmos.IL2CPU/Program.cs
index 325919b0c8..421080ad92 100644
--- a/source/Cosmos.IL2CPU/Program.cs
+++ b/source/Cosmos.IL2CPU/Program.cs
@@ -45,8 +45,8 @@ public static int Run(string[] args, Action<string> logMessage, Action<string> l
                 var xEngine = new CompilerEngine();
 
                 CompilerEngine.UseGen3Kernel = false;
-                if (CmdOptions.ContainsKey("UseGen3Kernel".ToLower())) {
-                    CompilerEngine.UseGen3Kernel = Convert.ToBoolean(CmdOptions["UseGen3Kernel".ToLower()]);
+                if (CmdOptions.ContainsKey("KernelPkg".ToLower())) {
+                    CompilerEngine.KernelPkg = Convert.ToBoolean(CmdOptions["KernelPkg".ToLower()]);
                 }
 
                 xEngine.DebugEnabled = Convert.ToBoolean(CmdOptions["DebugEnabled".ToLower()]);