Index: trunk/ippconfig/recipes/ppStack.config
===================================================================
--- trunk/ippconfig/recipes/ppStack.config	(revision 26655)
+++ trunk/ippconfig/recipes/ppStack.config	(revision 26658)
@@ -8,5 +8,5 @@
 COMBINE.SYS	F32	0.1		# Relative systematic error in combination
 COMBINE.DISCARD	F32	0.2		# Discard fraction for Olympic weighted mean
-MASK.IN		STR	MASK.VALUE,CONV.BAD	# Mask value of input bad pixels
+MASK.IN		STR	MASK.VALUE,CONV.BAD,GHOST	# Mask value of input bad pixels
 MASK.SUSPECT	STR	SUSPECT,CONV.POOR	# Mask value of suspect pixels
 MASK.BAD	STR	BLANK		# Mask value to give bad pixels