Index: oup/current/Tools/TxmpReplace.pas
===================================================================
--- oup/current/Tools/TxmpReplace.pas	(revision 198)
+++ oup/current/Tools/TxmpReplace.pas	(revision 199)
@@ -130,4 +130,5 @@
 
     case OniImage_New.Format of
+      ifX1R5G5B5: new_storetype := 1;
       ifA1R5G5B5: new_storetype := 2;
       ifA4R4G4B4: new_storetype := 0;