Index: trunk/psphot/src/psphotReadout.c
===================================================================
--- trunk/psphot/src/psphotReadout.c	(revision 9811)
+++ trunk/psphot/src/psphotReadout.c	(revision 10052)
@@ -78,4 +78,6 @@
     }
 
+    psphotGuessModels (readout, sources, recipe, psf);
+
     // linear PSF fit to peaks
     psphotEnsemblePSF (readout, sources, recipe, psf, FALSE);