Index: /branches/eam_branches/ipp-20100621/ppSim/src/ppSimInsertStars.c
===================================================================
--- /branches/eam_branches/ipp-20100621/ppSim/src/ppSimInsertStars.c	(revision 28815)
+++ /branches/eam_branches/ipp-20100621/ppSim/src/ppSimInsertStars.c	(revision 28816)
@@ -122,4 +122,7 @@
 	source->psfMag = -2.5*log10(star->flux);
 	source->errMag = sqrt(Area*PS_SQR(roughNoise) + flux) / flux;
+	
+	// set the expected model errors
+	model->dparams->data.F32[PM_PAR_I0] = source->errMag * model->params->data.F32[PM_PAR_I0];
 
 	float par8 = (model->params->n == 8) ? model->params->data.F32[7] : 0.0;