Index: /branches/eam_branch_20080223/Ohana/src/addstar/src/LoadStars.c
===================================================================
--- /branches/eam_branch_20080223/Ohana/src/addstar/src/LoadStars.c	(revision 16772)
+++ /branches/eam_branch_20080223/Ohana/src/addstar/src/LoadStars.c	(revision 16773)
@@ -81,5 +81,5 @@
     }
 
-    if (!strcmp (headerSets[0].exttype, "SDSS_OBJ")) {
+    if (headerSets[0].exttype && !strcmp (headerSets[0].exttype, "SDSS_OBJ")) {
       LoadDataSDSS (f, file[i], images, Nimages, &stars, Nstars, headers, extsize, headerSets, NheaderSets);
       continue;