diff --git a/OpenRA.Game/OpenRA.Game.csproj b/OpenRA.Game/OpenRA.Game.csproj
index af61ef4bf9..ae14e7c544 100644
--- a/OpenRA.Game/OpenRA.Game.csproj
+++ b/OpenRA.Game/OpenRA.Game.csproj
@@ -275,7 +275,6 @@
     <Compile Include="Map\TileSet.cs" />
     <Compile Include="FieldLoader.cs" />
     <Compile Include="FieldSaver.cs" />
-    <Compile Include="InstallUtils.cs" />
     <Compile Include="Manifest.cs" />
     <Compile Include="Graphics\Vertex.cs" />
     <Compile Include="FileFormats\ImaAdpcmLoader.cs" />
diff --git a/OpenRA.Game/InstallUtils.cs b/OpenRA.Mods.Common/InstallUtils.cs
similarity index 99%
rename from OpenRA.Game/InstallUtils.cs
rename to OpenRA.Mods.Common/InstallUtils.cs
index f59a2b0eaf..c545b56f20 100644
--- a/OpenRA.Game/InstallUtils.cs
+++ b/OpenRA.Mods.Common/InstallUtils.cs
@@ -16,7 +16,7 @@ using ICSharpCode.SharpZipLib;
 using ICSharpCode.SharpZipLib.Zip;
 using OpenRA.FileSystem;
 
-namespace OpenRA
+namespace OpenRA.Mods.Common
 {
 	public class ContentInstaller : IGlobalModData
 	{
diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index 6747ef62d6..4010600547 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -63,6 +63,10 @@
       <HintPath>..\thirdparty\Mono.Nat.dll</HintPath>
       <Private>False</Private>
     </Reference>
+    <Reference Include="ICSharpCode.SharpZipLib">
+      <HintPath>..\thirdparty\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.Game\OpenRA.Game.csproj">
@@ -572,6 +576,7 @@
     <Compile Include="UtilityCommands\CheckCodeStyle.cs" />
     <Compile Include="UtilityCommands\ReplayMetadataCommand.cs" />
     <Compile Include="Widgets\Logic\ReplayUtils.cs" />
+    <Compile Include="InstallUtils.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>