diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index 062343981a..30635f3c79 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -98,6 +98,7 @@
     <Compile Include="Widgets\MenuButtonWidget.cs" />
     <Compile Include="Widgets\RadarWidget.cs" />
     <Compile Include="Widgets\ResourceBarWidget.cs" />
+    <Compile Include="World\PlayMusicOnMapLoad.cs" />
     <Compile Include="World\RadarPings.cs" />
     <Compile Include="World\SmudgeLayer.cs" />
   </ItemGroup>
diff --git a/OpenRA.Mods.RA/World/PlayMusicOnMapLoad.cs b/OpenRA.Mods.Common/World/PlayMusicOnMapLoad.cs
similarity index 97%
rename from OpenRA.Mods.RA/World/PlayMusicOnMapLoad.cs
rename to OpenRA.Mods.Common/World/PlayMusicOnMapLoad.cs
index fc7775324b..cd9ac50202 100644
--- a/OpenRA.Mods.RA/World/PlayMusicOnMapLoad.cs
+++ b/OpenRA.Mods.Common/World/PlayMusicOnMapLoad.cs
@@ -12,7 +12,7 @@ using System;
 using OpenRA.Graphics;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common
 {
 	class PlayMusicOnMapLoadInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index c6a7465518..6c2c4cb40e 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -398,7 +398,6 @@
     <Compile Include="Widgets\WorldCommandWidget.cs" />
     <Compile Include="World\ResourceClaim.cs" />
     <Compile Include="World\ResourceClaimLayer.cs" />
-    <Compile Include="World\PlayMusicOnMapLoad.cs" />
     <Compile Include="Player\BaseAttackNotifier.cs" />
     <Compile Include="Player\HarvesterAttackNotifier.cs" />
     <Compile Include="Infiltration\InfiltrateForExploration.cs" />