Index: trunk/Ohana/src/opihi/cmd.data/accum.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/accum.c	(revision 3898)
+++ trunk/Ohana/src/opihi/cmd.data/accum.c	(revision 4689)
@@ -8,4 +8,5 @@
   Vector *val, *key, *out;
 
+  NV = NULL;
   Normalize = FALSE;
   if ((N = get_argument (argc, argv, "-norm"))) {