Index: trunk/psphot/src/psphotMagnitudes.c
===================================================================
--- trunk/psphot/src/psphotMagnitudes.c	(revision 34404)
+++ trunk/psphot/src/psphotMagnitudes.c	(revision 37590)
@@ -38,5 +38,5 @@
         psAssert (psf, "missing psf?");
 
-        if (!psphotMagnitudesReadout (config, recipe, view, readout, sources, psf)) {
+        if (!psphotMagnitudesReadout (config, recipe, view, readout, sources, psf, i)) {
             psError (PSPHOT_ERR_CONFIG, false, "failed to measure magnitudes for %s entry %d", filerule, i);
             return false;
@@ -46,5 +46,5 @@
 }
 
-bool psphotMagnitudesReadout(pmConfig *config, psMetadata *recipe, const pmFPAview *view, pmReadout *readout, psArray *sources, pmPSF *psf) {
+bool psphotMagnitudesReadout(pmConfig *config, psMetadata *recipe, const pmFPAview *view, pmReadout *readout, psArray *sources, pmPSF *psf, int index) {
 
     bool status = false;
@@ -65,6 +65,6 @@
 
     // if backModel or backStdev are missing, the values of sky and/or skyErr will be set to NAN
-    pmReadout *backModel = psphotSelectBackground (config, view);
-    pmReadout *backStdev = psphotSelectBackgroundStdev (config, view);
+    pmReadout *backModel = psphotSelectBackground (config, view, index);
+    pmReadout *backStdev = psphotSelectBackgroundStdev (config, view, index);
 
     // bit-masks to test for good/bad pixels