Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 16248)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 16253)
@@ -126,4 +126,6 @@
     psMetadataAddF32(adddiffskyfileArgs, PS_LIST_TAIL, "-dtime_diff",  0,
             "define elapsed processing time", NAN);
+    psMetadataAddStr(adddiffskyfileArgs, PS_LIST_TAIL, "-hostname", 0,
+            "define hostname", 0);
     psMetadataAddF32(adddiffskyfileArgs, PS_LIST_TAIL, "-good_frac",  0,
             "define %% of good pixels", NAN);