Index: trunk/Ohana/src/libfits/header/F_read_H.c
===================================================================
--- trunk/Ohana/src/libfits/header/F_read_H.c	(revision 28246)
+++ trunk/Ohana/src/libfits/header/F_read_H.c	(revision 28278)
@@ -54,7 +54,12 @@
   }
 
+  /* if these are not found in the header, they should be set to FALSE */
+  header[0].simple = FALSE;
+  header[0].extend = FALSE;
+
   header[0].unsign = gfits_get_unsign_mode();
   header[0].bscale = 1;
   header[0].bzero  = 0;
+
   for (i = 0; i < FT_MAX_NAXES; i++)
     header[0].Naxis[i] = 0;