Index: trunk/Ohana/src/libfits/matrix/F_get_M_value.c
===================================================================
--- trunk/Ohana/src/libfits/matrix/F_get_M_value.c	(revision 27435)
+++ trunk/Ohana/src/libfits/matrix/F_get_M_value.c	(revision 27451)
@@ -11,5 +11,6 @@
     return (0.0);
   pixel = matrix[0].Naxis[0]*y + x;
-  value = NAN;
+  // value = NAN;
+  value = HUGE_VAL;
 
   if (matrix[0].unsign) {