Index: trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/diff_skycell.pl	(revision 28591)
+++ trunk/ippScripts/scripts/diff_skycell.pl	(revision 28593)
@@ -352,4 +352,6 @@
                 }
             }
+        } elsif ($run_state eq 'update') {
+            &my_die("Update resulted in poor quality image: $quality", $diff_id, $skycell_id, $PS_EXIT_SYS_ERROR);
         }
     } else {