Index: trunk/ippTools/src/difftool.c
===================================================================
--- trunk/ippTools/src/difftool.c	(revision 33043)
+++ trunk/ippTools/src/difftool.c	(revision 33109)
@@ -1981,5 +1981,5 @@
             psString finishQuery = NULL;
             psStringAppend( &finishQuery, 
-                "UPDATE diffRun set state ='full', note = 'dummy run - no overlap' WHERE diff_id = %" PRId64,
+                "UPDATE diffRun set state ='full', dist_group = NULL, note = 'dummy run - no overlap' WHERE diff_id = %" PRId64,
                 run->diff_id);
             if (!p_psDBRunQuery(config->dbh, finishQuery)) {