Index: trunk/psModules/src/objects/pmSourceIO.c
===================================================================
--- trunk/psModules/src/objects/pmSourceIO.c	(revision 6872)
+++ trunk/psModules/src/objects/pmSourceIO.c	(revision 6960)
@@ -3,6 +3,6 @@
  *  @author EAM, IfA
  *
- *  @version $Revision: 1.2 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2006-04-17 18:01:05 $
+ *  @version $Revision: 1.3 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2006-04-23 01:07:51 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -147,4 +147,6 @@
 
     psArray *sources = psMetadataLookupPtr (&status, readout->analysis, "PSPHOT.SOURCES");
+    if (sources == NULL)
+        return false;
 
     switch (file->type) {