Index: trunk/ppSim/src/ppSimPhotom.c
===================================================================
--- trunk/ppSim/src/ppSimPhotom.c	(revision 20410)
+++ trunk/ppSim/src/ppSimPhotom.c	(revision 21183)
@@ -15,5 +15,5 @@
     psphotInit ();
 
-    int blankMask = 0;		// XXX not sure what this should be set to...
+    psImageMaskType blankMask = 1;		// XXX not sure what this should be set to...
     ppSimMosaicChip(config, blankMask, view, "PPSIM.FORCE.CHIP", "PPSIM.INPUT");
     ppSimMosaicChip(config, blankMask, view, "PPSIM.FAKE.CHIP", "PPSIM.OUTPUT");