diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index 7d2da154f7..cfd7d67fc1 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -82,6 +82,9 @@
     <Reference Include="ICSharpCode.SharpZipLib">
       <HintPath>..\thirdparty\ICSharpCode.SharpZipLib.dll</HintPath>
     </Reference>
+    <Reference Include="MaxMind.GeoIP2">
+      <HintPath>..\thirdparty\MaxMind.GeoIP2.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Activities\CaptureActor.cs" />