diff --git a/Source/FileManager/LongPath.cs b/Source/FileManager/LongPath.cs
index f6f3f8fa..2175681a 100644
--- a/Source/FileManager/LongPath.cs
+++ b/Source/FileManager/LongPath.cs
@@ -62,10 +62,10 @@ namespace FileManager
 
 		public static implicit operator LongPath(string path)
 		{
-			if (!IsWindows) return new LongPath(path);
-
 			if (path is null) return null;
 
+			if (!IsWindows) return new LongPath(path);
+
 			//File I/O functions in the Windows API convert "/" to "\" as part of converting
 			//the name to an NT-style name, except when using the "\\?\" prefix 
 			path = path.Replace(System.IO.Path.AltDirectorySeparatorChar, System.IO.Path.DirectorySeparatorChar);