diff --git a/OpenRA.Game/Game.cs b/OpenRA.Game/Game.cs
index 54c1ac8c59..0cf43ed332 100644
--- a/OpenRA.Game/Game.cs
+++ b/OpenRA.Game/Game.cs
@@ -443,8 +443,8 @@ namespace OpenRA
 				if (!string.IsNullOrEmpty(window))
 				{
 					var installData = modData.Manifest.ContentInstaller;
-					if (installData.InstallerMenuWidget != null)
-						Ui.LoadWidget(installData.InstallerMenuWidget, Ui.Root, new WidgetArgs());
+					if (installData.InstallerBackgroundWidget != null)
+						Ui.LoadWidget(installData.InstallerBackgroundWidget, Ui.Root, new WidgetArgs());
 
 					Widgets.Ui.OpenWindow(window, new WidgetArgs());
 				}
diff --git a/OpenRA.Mods.RA/Widgets/Logic/DownloadPackagesLogic.cs b/OpenRA.Mods.RA/Widgets/Logic/DownloadPackagesLogic.cs
index cb98c121e2..db5e34e2cd 100644
--- a/OpenRA.Mods.RA/Widgets/Logic/DownloadPackagesLogic.cs
+++ b/OpenRA.Mods.RA/Widgets/Logic/DownloadPackagesLogic.cs
@@ -22,16 +22,16 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 	public class DownloadPackagesLogic
 	{
 		readonly Widget panel;
-		readonly InstallData installData;
+		readonly string mirrorListUrl;
 		readonly ProgressBarWidget progressBar;
 		readonly LabelWidget statusLabel;
 		readonly Action afterInstall;
 		string mirror;
 
 		[ObjectCreator.UseCtor]
-		public DownloadPackagesLogic(Widget widget, Action afterInstall)
+		public DownloadPackagesLogic(Widget widget, Action afterInstall, string mirrorListUrl)
 		{
-			installData = Game.modData.Manifest.ContentInstaller;
+			this.mirrorListUrl = mirrorListUrl;
 			this.afterInstall = afterInstall;
 
 			panel = widget.Get("INSTALL_DOWNLOAD_PANEL");
@@ -130,7 +130,7 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			};
 
 			// Get the list of mirrors
-			var updateMirrors = new Download(installData.PackageMirrorList, mirrorsFile, onDownloadProgress, onFetchMirrorsComplete);
+			var updateMirrors = new Download(mirrorListUrl, mirrorsFile, onDownloadProgress, onFetchMirrorsComplete);
 			cancelButton.OnClick = () => { updateMirrors.Cancel(); Ui.CloseWindow(); };
 			retryButton.OnClick = () => { updateMirrors.Cancel(); ShowDownloadDialog(); };
 		}
diff --git a/OpenRA.Mods.RA/Widgets/Logic/InstallLogic.cs b/OpenRA.Mods.RA/Widgets/Logic/InstallLogic.cs
index a1162755c1..69bfeca4c3 100644
--- a/OpenRA.Mods.RA/Widgets/Logic/InstallLogic.cs
+++ b/OpenRA.Mods.RA/Widgets/Logic/InstallLogic.cs
@@ -19,11 +19,13 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 		[ObjectCreator.UseCtor]
 		public InstallLogic(Widget widget, Action continueLoading)
 		{
+			var mirrorListUrl = Game.modData.Manifest.ContentInstaller.PackageMirrorList;
 			var panel = widget.Get("INSTALL_PANEL");
 			var widgetArgs = new WidgetArgs()
 			{
 				{ "afterInstall", () => { Ui.CloseWindow(); continueLoading(); } },
-				{ "continueLoading", continueLoading }
+				{ "continueLoading", continueLoading },
+				{ "mirrorListUrl", mirrorListUrl },
 			};
 
 			panel.Get<ButtonWidget>("DOWNLOAD_BUTTON").OnClick = () =>
diff --git a/OpenRA.Mods.RA/Widgets/Logic/InstallMusicLogic.cs b/OpenRA.Mods.RA/Widgets/Logic/InstallMusicLogic.cs
index 48a4a2d2ff..94971f7b52 100644
--- a/OpenRA.Mods.RA/Widgets/Logic/InstallMusicLogic.cs
+++ b/OpenRA.Mods.RA/Widgets/Logic/InstallMusicLogic.cs
@@ -44,12 +44,13 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			var downloadButton = installMusicContainer.GetOrNull<ButtonWidget>("DOWNLOAD_BUTTON");
 			if (downloadButton != null)
 			{
-				var installData = Game.modData.Manifest.ContentInstaller;
-				downloadButton.IsVisible = () => !string.IsNullOrEmpty(installData.MusicPackageMirrorList);
+				var mirrorListUrl = Game.modData.Manifest.ContentInstaller.MusicPackageMirrorList;
+				downloadButton.IsVisible = () => !string.IsNullOrEmpty(mirrorListUrl);
 				downloadButton.OnClick = () =>
 				{
 					Ui.OpenWindow("INSTALL_DOWNLOAD_PANEL", new WidgetArgs() {
 						{ "afterInstall", () => Game.InitializeMod(Game.Settings.Game.Mod, null) },
+						{ "mirrorListUrl", mirrorListUrl },
 					});
 				};
 			}