Index: /tags/ipp-20100823/psModules/src/objects/pmSourceMoments.c
===================================================================
--- /tags/ipp-20100823/psModules/src/objects/pmSourceMoments.c	(revision 29044)
+++ /tags/ipp-20100823/psModules/src/objects/pmSourceMoments.c	(revision 29045)
@@ -77,4 +77,7 @@
     // well:
     psF32 sky = 0.0;
+    if (source->moments == NULL) {
+      source->moments = pmMomentsAlloc();
+    }
     // XXX if (source->moments == NULL) {
     // XXX     source->moments = pmMomentsAlloc();