Index: trunk/ppSub/src/ppSubCamera.c
===================================================================
--- trunk/ppSub/src/ppSubCamera.c	(revision 14249)
+++ trunk/ppSub/src/ppSubCamera.c	(revision 14741)
@@ -130,4 +130,5 @@
     // psPhot input
     if (psMetadataLookup(config->arguments, "PSPHOT.PSF")) {
+        psphotModelClassInit ();        // load implementation-specific models
         pmFPAfile *psphot = pmFPAfileDefineFromFPA(config, output->fpa, 1, 1, "PSPHOT.INPUT");
         if (!psphot) {