Index: trunk/ppSub/src/ppSubCamera.c
===================================================================
--- trunk/ppSub/src/ppSubCamera.c	(revision 16916)
+++ trunk/ppSub/src/ppSubCamera.c	(revision 17813)
@@ -135,5 +135,5 @@
 
     // psPhot input
-    if (psMetadataLookup(config->arguments, "PSPHOT.PSF")) {
+    if (psMetadataLookupBool(NULL, config->arguments, "PHOTOMETRY")) {
         psphotModelClassInit ();        // load implementation-specific models
         pmFPAfile *psphot = pmFPAfileDefineFromFPA(config, output->fpa, 1, 1, "PSPHOT.INPUT");