Index: trunk/ippconfig/recipes/psphot.config
===================================================================
--- trunk/ippconfig/recipes/psphot.config	(revision 28019)
+++ trunk/ippconfig/recipes/psphot.config	(revision 28020)
@@ -342,4 +342,5 @@
 # Recipe overrides for DIFF
 DIFF	METADATA
+  OUTPUT.FORMAT		STR   PS1_DV1
 END