Index: trunk/ppSub/src/ppSubBackground.c
===================================================================
--- trunk/ppSub/src/ppSubBackground.c	(revision 23740)
+++ trunk/ppSub/src/ppSubBackground.c	(revision 26899)
@@ -42,5 +42,5 @@
     if (!modelRO) {
         // Create the background model
-        if (!psphotModelBackground(config, view, "PPSUB.OUTPUT")) {
+        if (!psphotModelBackgroundReadoutFileIndex(config, view, "PPSUB.OUTPUT", 0)) {
             psError(PS_ERR_UNKNOWN, false, "Unable to model background");
             psFree(view);