Index: /trunk/ppMerge/src/ppMergeMask.c
===================================================================
--- /trunk/ppMerge/src/ppMergeMask.c	(revision 15610)
+++ /trunk/ppMerge/src/ppMergeMask.c	(revision 15611)
@@ -100,4 +100,5 @@
             pmReadout *roOut = pmReadoutAlloc(cellOut); // Output readout
             roOut->mask = pmMaskIdentifyBadPixels(suspect, options->maskBad, options->combine->maskVal);
+            roOut->data_exists = cellOut->data_exists = chipOut->data_exists = true;
 
             // Statistics on the merged cell