Index: trunk/ppMerge/src/ppMergeCombine.c
===================================================================
--- trunk/ppMerge/src/ppMergeCombine.c	(revision 14007)
+++ trunk/ppMerge/src/ppMergeCombine.c	(revision 14356)
@@ -286,5 +286,7 @@
                         data->stats = psMetadataAlloc();
                     }
-                    if (!ppStatsFPA(data->stats, data->out, view, options->combine->maskVal, config)) {
+                    if (!ppStatsFPA(data->stats, data->out, view,
+                                    options->combine->maskVal | pmConfigMask("BLANK", config),
+                                    config)) {
                         psError(PS_ERR_UNEXPECTED_NULL, true, "Unable to generate stats for image.\n");
                         return false;
@@ -304,5 +306,5 @@
             for (int i = 0; i < filenames->n; i++) {
                 pmFPA *fpaIn = data->in->data[i]; // Input FPA
-		if (!fpaIn) { continue; } // was not a valid input file
+                if (!fpaIn) { continue; } // was not a valid input file
                 pmChip *chipIn = fpaIn->chips->data[view->chip]; // Input chip
                 pmCell *cellIn = chipIn->cells->data[view->cell]; // Input cell
@@ -325,5 +327,5 @@
         for (int i = 0; i < filenames->n; i++) {
             pmFPA *fpaIn = data->in->data[i]; // Input FPA
-	    if (!fpaIn) { continue; } // was not a valid input file
+            if (!fpaIn) { continue; } // was not a valid input file
             pmChip *chipIn = fpaIn->chips->data[view->chip]; // Input chip
             pmChipFreeData(chipIn);
@@ -345,5 +347,5 @@
     for (int i = 0; i < filenames->n; i++) {
         pmFPA *fpaIn = data->in->data[i]; // Input FPA
-	if (!fpaIn) { continue; } // was not a valid input file
+        if (!fpaIn) { continue; } // was not a valid input file
         pmFPAFreeData(fpaIn);
     }