diff --git a/spine-monogame/xamarinstudio-ios/src/spine-monogame-xamarinstudio-ios.csproj b/spine-monogame/xamarinstudio-ios/src/spine-monogame-xamarinstudio-ios.csproj
index 352d10bbc..69dd3597c 100644
--- a/spine-monogame/xamarinstudio-ios/src/spine-monogame-xamarinstudio-ios.csproj
+++ b/spine-monogame/xamarinstudio-ios/src/spine-monogame-xamarinstudio-ios.csproj
@@ -85,6 +85,9 @@
     <Compile Include="..\..\..\spine-csharp\src\BoneData.cs">
       <Link>spine-csharp\BoneData.cs</Link>
     </Compile>
+    <Compile Include="..\..\..\spine-csharp\src\ExposedList.cs">
+      <Link>spine-csharp\ExposedList.cs</Link>
+    </Compile>
     <Compile Include="..\..\..\spine-csharp\src\Json.cs">
       <Link>spine-csharp\Json.cs</Link>
     </Compile>