diff --git a/SabreTools.Library/Dats/Partials/DatFile.ConvertUpdate.cs b/SabreTools.Library/Dats/Partials/DatFile.ConvertUpdate.cs
index 9d1922dc..eb2ef3e8 100644
--- a/SabreTools.Library/Dats/Partials/DatFile.ConvertUpdate.cs
+++ b/SabreTools.Library/Dats/Partials/DatFile.ConvertUpdate.cs
@@ -250,6 +250,9 @@ namespace SabreTools.Library.Dats
 				{
 					intDat.WriteToFile(interOutDir);
 				}
+
+				// Due to possible memory requirements, each DAT, after written, will be nulled out
+				intDat = null;
 			});
 		}