Index: trunk/psModules/src/objects/pmSourceGroups.c
===================================================================
--- trunk/psModules/src/objects/pmSourceGroups.c	(revision 26190)
+++ trunk/psModules/src/objects/pmSourceGroups.c	(revision 26450)
@@ -186,4 +186,5 @@
             cellSources->data.S32[i] = i;
         }
+	cellSources->n = numSources;
     } else {
         for (int i = 0; i < numSources; i++) {