diff --git a/SabreTools.Helper/Tools/DatTools.cs b/SabreTools.Helper/Tools/DatTools.cs
index 448d987b..005e6dcf 100644
--- a/SabreTools.Helper/Tools/DatTools.cs
+++ b/SabreTools.Helper/Tools/DatTools.cs
@@ -865,7 +865,7 @@ namespace SabreTools.Helper
 										case "clrmamepro":
 											if (headreader.GetAttribute("header") != null)
 											{
-												datdata.Header = (String.IsNullOrEmpty(datdata.Header) ? headreader.GetAttribute("header") : datdata.header);
+												datdata.Header = (String.IsNullOrEmpty(datdata.Header) ? headreader.GetAttribute("header") : datdata.Header);
 											}
 											if (headreader.GetAttribute("forcemerging") != null)
 											{