Index: trunk/ippTools/src/difftool.c
===================================================================
--- trunk/ippTools/src/difftool.c	(revision 26652)
+++ trunk/ippTools/src/difftool.c	(revision 26909)
@@ -717,4 +717,5 @@
     PXOPT_COPY_S64(config->args, where,  "-magicked", "diffSkyfile.magicked", "==");
     pxAddLabelSearchArgs (config, where, "-label", "diffRun.label", "LIKE");
+    pxAddLabelSearchArgs (config, where, "-data_group", "diffRun.data_group", "LIKE");
 
     PXOPT_LOOKUP_BOOL(template, config->args, "-template", false);