Index: trunk/ppImage/src/ppImageDetrendReadout.c
===================================================================
--- trunk/ppImage/src/ppImageDetrendReadout.c	(revision 13506)
+++ trunk/ppImage/src/ppImageDetrendReadout.c	(revision 13593)
@@ -18,5 +18,5 @@
     // Masking on the basis of pixel value needs to be done before anything else, so the values are pristine.
     if (options->doMask || options->doShutter || options->doFlat || options->doPhotom) {
-        pmReadoutGenerateMask(input);
+        pmReadoutGenerateMask(input, options->satMask, options->badMask);
     }
     // apply the externally supplied mask to the input->mask pixels
@@ -68,5 +68,5 @@
     if (options->doFlat) {
         pmReadout *flat = pmFPAfileThisReadout(config->files, detview, "PPIMAGE.FLAT");
-        if (!pmFlatField(input, flat)) {
+        if (!pmFlatField(input, flat, options->flatMask)) {
             return false;
         }