diff --git a/src/cascadia/TerminalApp/TerminalAppLib.vcxproj b/src/cascadia/TerminalApp/TerminalAppLib.vcxproj
index f3c6499536..04826fa67c 100644
--- a/src/cascadia/TerminalApp/TerminalAppLib.vcxproj
+++ b/src/cascadia/TerminalApp/TerminalAppLib.vcxproj
@@ -389,6 +389,10 @@
       you also update all the consumers
     -->
     <ProjectReference Include="$(OpenConsoleDir)src\types\lib\types.vcxproj" />
+    <ProjectReference Include="$(OpenConsoleDir)src\cascadia\TerminalProtocol\TerminalProtocol.vcxproj">
+      <Project>{F1A2B3C4-D5E6-4F7A-8B9C-0D1E2F3A4B5D}</Project>
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    </ProjectReference>
     <ProjectReference Include="$(OpenConsoleDir)src\cascadia\WinRTUtils\WinRTUtils.vcxproj">
       <Project>{CA5CAD1A-039A-4929-BA2A-8BEB2E4106FE}</Project>
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>