diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index 55efb419b3..954d6614cd 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -629,6 +629,7 @@
+
diff --git a/OpenRA.Mods.Common/UtilityCommands/RefreshMapCommand.cs b/OpenRA.Mods.Common/UtilityCommands/RefreshMapCommand.cs
new file mode 100644
index 0000000000..9ed6905721
--- /dev/null
+++ b/OpenRA.Mods.Common/UtilityCommands/RefreshMapCommand.cs
@@ -0,0 +1,35 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using OpenRA.FileSystem;
+
+namespace OpenRA.Mods.Common.UtilityCommands
+{
+ class RefreshMapCommand : IUtilityCommand
+ {
+ string IUtilityCommand.Name { get { return "--refresh-map"; } }
+
+ bool IUtilityCommand.ValidateArguments(string[] args)
+ {
+ return args.Length >= 2;
+ }
+
+ [Desc("MAP", "Opens and resaves a map to reformat map.yaml and regenerate the preview.")]
+ void IUtilityCommand.Run(Utility utility, string[] args)
+ {
+ // HACK: The engine code assumes that Game.modData is set.
+ // HACK: We know that maps can only be oramap or folders, which are ReadWrite
+ var modData = Game.ModData = utility.ModData;
+ using (var package = new Folder(".").OpenPackage(args[1], modData.ModFiles))
+ new Map(modData, package).Save((IReadWritePackage)package);
+ }
+ }
+}