Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 18975)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 18976)
@@ -104,5 +104,6 @@
     psMetadataAddStr(diffskyfileArgs , PS_LIST_TAIL, "-skycell_id",  0,            "define skycell ID", NULL);
     psMetadataAddStr(diffskyfileArgs, PS_LIST_TAIL, "-tess_id",  0,            "define tessellation ID", NULL);
-    psMetadataAddStr(diffskyfileArgs, PS_LIST_TAIL, "-exp_id",  0,            "define exposure ID", NULL);
+    psMetadataAddS64(diffskyfileArgs, PS_LIST_TAIL, "-exp_id",  0,            "define exposure ID", 0);
+    psMetadataAddStr(diffskyfileArgs , PS_LIST_TAIL, "-exp_name",  0,         "define exposure name", NULL);
     psMetadataAddU64(diffskyfileArgs, PS_LIST_TAIL, "-limit",  0,            "limit result set to N items", 0);
     psMetadataAddBool(diffskyfileArgs, PS_LIST_TAIL, "-simple",  0,            "use the simple output format", false);