Index: trunk/Ohana/src/opihi/cmd.data/rebin.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/rebin.c	(revision 21064)
+++ trunk/Ohana/src/opihi/cmd.data/rebin.c	(revision 27435)
@@ -63,5 +63,5 @@
     }      
   }
-  if (VERBOSE) gprint (GP_LOG, "rebin %s to %s (%d,%d to %d,%d)\n", argv[1], argv[2], in[0].header.Naxis[0], in[0].header.Naxis[1], nx, ny);
+  if (VERBOSE) gprint (GP_LOG, "rebin %s to %s (%lld,%lld to %d,%d)\n", argv[1], argv[2], (long long) in[0].header.Naxis[0], (long long) in[0].header.Naxis[1], nx, ny);
 
   Nx = in[0].header.Naxis[0];
