Index: trunk/psModules/src/objects/pmPCM_MinimizeChisq.c
===================================================================
--- trunk/psModules/src/objects/pmPCM_MinimizeChisq.c	(revision 29004)
+++ trunk/psModules/src/objects/pmPCM_MinimizeChisq.c	(revision 29012)
@@ -312,4 +312,5 @@
     for (int n = 0; n < pcm->dmodelsFlux->n; n++) {
         if (pcm->dmodelsFlux->data[n] == NULL) continue;
+	if (pcm->constraint->paramMask->data.PS_TYPE_VECTOR_MASK_DATA[n]) continue;
         psImage *dmodel = pcm->dmodelsFlux->data[n];
         psImage *dmodelConv = pcm->dmodelsConvFlux->data[n];
@@ -321,4 +322,5 @@
     for (int n = 0; n < pcm->dmodelsFlux->n; n++) {
         if (pcm->dmodelsFlux->data[n] == NULL) continue;
+	if (pcm->constraint->paramMask->data.PS_TYPE_VECTOR_MASK_DATA[n]) continue;
         psImage *dmodel = pcm->dmodelsFlux->data[n];
         psImage *dmodelConv = pcm->dmodelsConvFlux->data[n];
@@ -331,4 +333,5 @@
     for (int n = 0; n < pcm->dmodelsFlux->n; n++) {
         if (pcm->dmodelsFlux->data[n] == NULL) continue;
+	if (pcm->constraint->paramMask->data.PS_TYPE_VECTOR_MASK_DATA[n]) continue;
         psImage *dmodel = pcm->dmodelsFlux->data[n];
         psImage *dmodelConv = pcm->dmodelsConvFlux->data[n];