Index: trunk/pstamp/src/ppstampMakeStamp.c
===================================================================
--- trunk/pstamp/src/ppstampMakeStamp.c	(revision 29885)
+++ trunk/pstamp/src/ppstampMakeStamp.c	(revision 30050)
@@ -320,5 +320,6 @@
         }
         if (readout->mask) {
-            outReadout->mask = extractStamp(readout->mask, extractRegion,  0);
+            psImageMaskType maskInitValue = pmConfigMaskGet("BLANK", config);
+            outReadout->mask = extractStamp(readout->mask, extractRegion,  maskInitValue);
             if (!outReadout->mask) {
                 psError(PS_ERR_UNKNOWN, false, "failed to create postage stamp mask image\n");