Index: trunk/Ohana/src/opihi/cmd.data/rebin.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/rebin.c	(revision 2843)
+++ trunk/Ohana/src/opihi/cmd.data/rebin.c	(revision 4689)
@@ -10,4 +10,5 @@
   Buffer *in, *out;
 
+  Vn = Npix = NULL;
   Normalize = FALSE;
   if ((N = get_argument (argc, argv, "-norm"))) {