Index: trunk/ppSim/src/ppSimArguments.c
===================================================================
--- trunk/ppSim/src/ppSimArguments.c	(revision 12975)
+++ trunk/ppSim/src/ppSimArguments.c	(revision 12976)
@@ -72,5 +72,5 @@
     psMetadataAddF32(arguments, PS_LIST_TAIL, "-starsmag", 0, "Brightest magnitude for fake stars", NAN);
     psMetadataAddF32(arguments, PS_LIST_TAIL, "-starsdensity", 0, "Density of fake stars at magnitude", NAN);
-    psMetadataAddS32(arguments, PS_LIST_TAIL, "-bin", 1, "Binning in x and y", 1);
+    psMetadataAddS32(arguments, PS_LIST_TAIL, "-bin", 0, "Binning in x and y", 1);
 
     if (!config->camera) {