Index: trunk/ppStack/src/ppStackLoop.c
===================================================================
--- trunk/ppStack/src/ppStackLoop.c	(revision 13666)
+++ trunk/ppStack/src/ppStackLoop.c	(revision 13667)
@@ -13,4 +13,6 @@
 bool ppStackLoop(pmConfig *config)
 {
+    psMaskType maskBlank = psMetadataLookupU8(NULL, config->arguments, "MASK.BLANK"); // Mask for blank reg.
+
     bool mdok;                          // Status of MD lookup
     const char *statsName = psMetadataLookupStr(&mdok, config->arguments, "STATS"); // Filename for statistics
@@ -85,5 +87,5 @@
             // Perform statistics on the cell
             if (stats) {
-                ppStats(stats, input->fpa, view, config);
+                ppStats(stats, input->fpa, view, maskBlank, config);
             }