Index: trunk/ppSub/src/ppSubSetMasks.c
===================================================================
--- trunk/ppSub/src/ppSubSetMasks.c	(revision 26982)
+++ trunk/ppSub/src/ppSubSetMasks.c	(revision 29551)
@@ -77,14 +77,13 @@
     }
 
-    // Mask the NAN values
-    if (!pmReadoutMaskNonfinite(inRO, satValue)) {
+    // Mask the NAN values (USE BLANK instead of SAT?)
+    if (!pmReadoutMaskInvalid(inRO, maskValue, satValue)) {
         psError(PPSUB_ERR_DATA, false, "Unable to mask non-finite pixels in input.");
         return false;
     }
-    if (!pmReadoutMaskNonfinite(refRO, satValue)) {
+    if (!pmReadoutMaskInvalid(refRO, maskValue, satValue)) {
         psError(PPSUB_ERR_DATA, false, "Unable to mask non-finite pixels in reference.");
         return false;
     }
-
 
 #if 0