Index: trunk/psphot/src/psphotTestPSF.c
===================================================================
--- trunk/psphot/src/psphotTestPSF.c	(revision 21183)
+++ trunk/psphot/src/psphotTestPSF.c	(revision 31154)
@@ -17,5 +17,5 @@
 
     // examine PSF sources in S/N order (brightest first)
-    sources = psArraySort (sources, pmSourceSortBySN);
+    sources = psArraySort (sources, pmSourceSortByFlux);
 
     // array to store candidate PSF stars