Index: trunk/ppSub/src/ppSub.c
===================================================================
--- trunk/ppSub/src/ppSub.c	(revision 19119)
+++ trunk/ppSub/src/ppSub.c	(revision 20410)
@@ -24,4 +24,10 @@
     if (!pmModelClassInit()) {
         psErrorStackPrint(stderr, "Error initialising model classes.\n");
+        exitValue = PS_EXIT_PROG_ERROR;
+        goto die;
+    }
+
+    if (!psphotInit()) {
+        psErrorStackPrint(stderr, "Error initialising psphot.\n");
         exitValue = PS_EXIT_PROG_ERROR;
         goto die;