Index: trunk/psphot/src/psphotReadout.c
===================================================================
--- trunk/psphot/src/psphotReadout.c	(revision 24890)
+++ trunk/psphot/src/psphotReadout.c	(revision 25383)
@@ -61,5 +61,5 @@
     // display the backsub and backgnd images
     psphotVisualShowBackground (config, view, readout);
-    
+
     // run a single-model test if desired (exits from here if test is run)
     psphotModelTest (config, view, recipe);
@@ -224,4 +224,9 @@
     psphotMagnitudes(config, readout, view, sources, psf);
 
+    if (!psphotEfficiency(config, readout, view, psf, recipe, sources)) {
+        psErrorStackPrint(stderr, "Unable to determine detection efficiencies from fake sources");
+        psErrorClear();
+    }
+
     // replace failed sources?
     // psphotReplaceUnfitSources (sources);