Index: trunk/ppBackground/src/ppBackgroundStackMath.c
===================================================================
--- trunk/ppBackground/src/ppBackgroundStackMath.c	(revision 36649)
+++ trunk/ppBackground/src/ppBackgroundStackMath.c	(revision 36787)
@@ -204,5 +204,5 @@
   
   pmFPAview *view    = pmFPAviewAlloc(0);
-  psStats *stats     = psStatsAlloc( PS_STAT_ROBUST_MEDIAN | PS_STAT_ROBUST_STDEV );
+  psStats *stats     = psStatsAlloc( PS_STAT_SAMPLE_MEDIAN | PS_STAT_SAMPLE_STDEV );
 
   psMetadataIterator *expIter = psMetadataIteratorAlloc(data->models, PS_LIST_HEAD, NULL);