diff --git a/HKCardOUT/HKCardOUT.csproj b/HKCardOUT/HKCardOUT.csproj
index 716ea4d..f1f3736 100644
--- a/HKCardOUT/HKCardOUT.csproj
+++ b/HKCardOUT/HKCardOUT.csproj
@@ -43,6 +43,7 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\HKControl\HKControl.csproj" />
     <ProjectReference Include="..\HKLog\HKLog.csproj" />
   </ItemGroup>
 </Project>