Index: trunk/psphot/src/psphotModelTest.c
===================================================================
--- trunk/psphot/src/psphotModelTest.c	(revision 28013)
+++ trunk/psphot/src/psphotModelTest.c	(revision 29548)
@@ -226,5 +226,5 @@
     // measure the source mags
     pmSourcePhotometryModel (&fitMag, model);
-    pmSourcePhotometryAper  (&obsMag, model, source->pixels, source->maskObj, maskVal);
+    pmSourcePhotometryAper  (&obsMag, NULL, NULL, model, source->pixels, source->variance, source->maskObj, maskVal);
     fprintf (stderr, "ap: %f, fit: %f, apmifit: %f, nIter: %d\n", obsMag, fitMag, obsMag - fitMag, model->nIter);