Index: trunk/ppStack/src/ppStack.h
===================================================================
--- trunk/ppStack/src/ppStack.h	(revision 20427)
+++ trunk/ppStack/src/ppStack.h	(revision 20659)
@@ -11,6 +11,7 @@
 typedef enum {
     PPSTACK_MASK_MATCH  = 0x01,         // PSF-matching failed
-    PPSTACK_MASK_REJECT = 0x02,         // Rejection failed
-    PPSTACK_MASK_BAD    = 0x04,         // Bad image (too many pixels rejected)
+    PPSTACK_MASK_CHI2   = 0x02,         // Chi^2 too deviant
+    PPSTACK_MASK_REJECT = 0x04,         // Rejection failed
+    PPSTACK_MASK_BAD    = 0x08,         // Bad image (too many pixels rejected)
     PPSTACK_MASK_ALL    = 0xff          // All errors
 } ppStackMask;