diff --git a/tests/BotSharp.Plugin.PizzaBot/BotSharp.Plugin.PizzaBot.csproj b/tests/BotSharp.Plugin.PizzaBot/BotSharp.Plugin.PizzaBot.csproj
index c7805c08..041ba8e5 100644
--- a/tests/BotSharp.Plugin.PizzaBot/BotSharp.Plugin.PizzaBot.csproj
+++ b/tests/BotSharp.Plugin.PizzaBot/BotSharp.Plugin.PizzaBot.csproj
@@ -117,7 +117,7 @@
     </Content>
   </ItemGroup>
 
-  <ItemGroup>
+  <ItemGroup Condition="$(SolutionName)==BotSharp">
     <ProjectReference Include="..\..\src\Infrastructure\BotSharp.Core\BotSharp.Core.csproj" />
   </ItemGroup>