Index: trunk/ppSub/src/ppSubReadoutUpdate.c
===================================================================
--- trunk/ppSub/src/ppSubReadoutUpdate.c	(revision 21524)
+++ trunk/ppSub/src/ppSubReadoutUpdate.c	(revision 23173)
@@ -44,4 +44,5 @@
     psMetadataAddStr(outHDU->header, PS_LIST_TAIL, "PPSUB.INPUT", 0,
                      "Subtraction input", inFile->filename);
+    ppSubVersionHeader(outHDU->header);
 
     // Statistics on the matching