diff --git a/BizHawk.Client.EmuHawk/BizHawk.Client.EmuHawk.csproj b/BizHawk.Client.EmuHawk/BizHawk.Client.EmuHawk.csproj
index a25e3b6c9c..8ad490f182 100644
--- a/BizHawk.Client.EmuHawk/BizHawk.Client.EmuHawk.csproj
+++ b/BizHawk.Client.EmuHawk/BizHawk.Client.EmuHawk.csproj
@@ -1078,7 +1078,9 @@
     <Compile Include="tools\TI83\TI83KeyPad.Designer.cs">
       <DependentUpon>TI83KeyPad.cs</DependentUpon>
     </Compile>
-    <Compile Include="tools\ToolHelpers.cs" />
+    <Compile Include="tools\ToolHelpers.cs">
+      <SubType>Form</SubType>
+    </Compile>
     <Compile Include="tools\ToolManager.cs" />
     <Compile Include="tools\TraceLogger.cs">
       <SubType>Form</SubType>