diff --git a/OpenRA.Utility/Util.cs b/OpenRA.Utility/Util.cs
index b672e70735..cf488a2d4a 100644
--- a/OpenRA.Utility/Util.cs
+++ b/OpenRA.Utility/Util.cs
@@ -32,7 +32,7 @@ namespace OpenRA.Utility
 
 			foreach (string s in files)
 			{
-				var destFile = "{0}{1}{2}".F(destPath, Path.DirectorySeparatorChar, s);
+				var destFile = Path.Combine(destPath, s);
 				using (var sourceStream = FileSystem.Open(s))
 				using (var destStream = File.Create(destFile))
 				{