Index: trunk/Ohana/src/libfits/matrix/F_get_M_value.c
===================================================================
--- trunk/Ohana/src/libfits/matrix/F_get_M_value.c	(revision 27473)
+++ trunk/Ohana/src/libfits/matrix/F_get_M_value.c	(revision 27484)
@@ -11,6 +11,5 @@
     return (0.0);
   pixel = matrix[0].Naxis[0]*y + x;
-  // value = NAN;
-  value = HUGE_VAL;
+  value = NAN;
 
   if (matrix[0].unsign) {