diff --git a/src/Ymir.Core/Ymir.Core.csproj b/src/Ymir.Core/Ymir.Core.csproj
index 6d23da9..1ca4b6f 100644
--- a/src/Ymir.Core/Ymir.Core.csproj
+++ b/src/Ymir.Core/Ymir.Core.csproj
@@ -2,14 +2,15 @@
 
   <PropertyGroup>
     <CultLibRoot Condition="'$(CultLibRoot)' == ''">$(MSBuildThisFileDirectory)..\..\..\CultLib</CultLibRoot>
-    <EveUnityRoot Condition="'$(EveUnityRoot)' == ''">$(MSBuildThisFileDirectory)..\..\..\EveUnity</EveUnityRoot>
+    <EveRoot Condition="'$(EveRoot)' == ''">$(MSBuildThisFileDirectory)..\..\..\Eve</EveRoot>
   </PropertyGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\Ymir.Box3D\Ymir.Box3D.csproj" />
     <ProjectReference Include="$(CultLibRoot)\src\GameCult.Caching\GameCult.Caching.csproj" />
     <ProjectReference Include="$(CultLibRoot)\src\GameCult.Caching.MessagePack\GameCult.Caching.MessagePack.csproj" />
-    <ProjectReference Include="$(EveUnityRoot)\packages\org.gamecult.eve.surface\GameCult.Eve.Surface.csproj" />
+    <ProjectReference Include="$(EveRoot)\packages\org.gamecult.eve.surface\GameCult.Eve.Surface.csproj"
+                      AdditionalProperties="CultLibRoot=$(CultLibRoot)" />
     <ProjectReference Include="..\..\..\CultMath\src\CultMath\CultMath.csproj" />
   </ItemGroup>