diff --git a/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs b/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs
index 2299b6fec..bfaffacb8 100644
--- a/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs
+++ b/ICSharpCode.Decompiler/CSharp/ProjectDecompiler/WholeProjectDecompiler.cs
@@ -743,7 +743,8 @@ namespace ICSharpCode.Decompiler.CSharp.ProjectDecompiler
 
 		public static string CleanUpPath(string text)
 		{
-			return CleanUpName(text, separateAtDots: true, treatAsFileName: true, treatAsPath: true);
+			return CleanUpName(text, separateAtDots: true, treatAsFileName: false, treatAsPath: true)
+				.Replace('.', Path.DirectorySeparatorChar);
 		}
 
 		static bool IsReservedFileSystemName(string name)