Index: trunk/Ohana/src/opihi/cmd.data/fit.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/fit.c	(revision 3896)
+++ trunk/Ohana/src/opihi/cmd.data/fit.c	(revision 4689)
@@ -31,4 +31,6 @@
   }
 
+  dy = NULL;
+  dyvec = NULL;
   Weight = FALSE;
   if ((N = get_argument (argc, argv, "-dy"))) {
@@ -72,4 +74,7 @@
     ALLOCATE (b[i], double, 1);
   }
+
+  Nmask = 0;
+  sigma = 0.0;
 
   for (N = 0; N < ClipNiter; N++) {