Index: trunk/ppSub/src/ppSubArguments.c
===================================================================
--- trunk/ppSub/src/ppSubArguments.c	(revision 18768)
+++ trunk/ppSub/src/ppSubArguments.c	(revision 18770)
@@ -312,5 +312,6 @@
     if (psMetadataLookupBool(NULL, config->arguments, "-photometry") ||
         psMetadataLookupBool(NULL, recipe, "PHOTOMETRY")) {
-        psMetadataAddBool(config->arguments, PS_LIST_TAIL, "PHOTOMETRY", 0, "Perform photometry?", true);
+        psMetadataAddBool(config->arguments, PS_LIST_TAIL, "PHOTOMETRY", PS_META_REPLACE,
+                          "Perform photometry?", true);
     }