Index: /trunk/ippconfig/recipes/ppSub.config
===================================================================
--- /trunk/ippconfig/recipes/ppSub.config	(revision 13718)
+++ /trunk/ippconfig/recipes/ppSub.config	(revision 13719)
@@ -9,5 +9,5 @@
 ITER            S32	10		# Number of rejection iterations
 REJ             F32	2.5		# Rejection level (std dev)
-MASK.BAD        STR	BAD,SAT		# Mask value for bad pixels
+MASK.BAD        STR	BLANK,BAD,SAT	# Mask value for bad pixels
 MASK.BLANK      STR	BLANK		# Mask value to give blank pixels
 @ISIS.WIDTHS	F32	0.7 1.5 3	# Gaussian widths for ISIS kernels