diff --git a/SabreTools.Helper/Tools/FileTools.cs b/SabreTools.Helper/Tools/FileTools.cs
index c801a46a..708c425c 100644
--- a/SabreTools.Helper/Tools/FileTools.cs
+++ b/SabreTools.Helper/Tools/FileTools.cs
@@ -106,7 +106,7 @@ namespace SabreTools.Helper
 					{
 						return OutputFormat.SabreDat;
 					}
-					else if (second.StartsWith("<dat"))
+					else if (second.StartsWith("<dat") && !second.StartsWith("<datafile"))
 					{
 						return OutputFormat.OfflineList;
 					}