diff --git a/Tools/LicenceHeader/Program.cs b/Tools/LicenceHeader/Program.cs
index 4909d4915d30ddf4d13f1f19369e63eaf30c6db3..43c86f1e110e81419718f3c1bab52f830f09529f 100644
--- a/Tools/LicenceHeader/Program.cs
+++ b/Tools/LicenceHeader/Program.cs
@@ -42,7 +42,7 @@ namespace LicenceHeader
 	/// </summary>
 	internal class Program
 	{
-		private const string SolutionRootDirectory = @"..\\..\\..";
+		private const string SolutionRootDirectory = @"..\..\..\..";
 
 		private static void Main()
 		{