Index: /branches/eam_branches/ipp-20150419/Ohana/src/libfits/matrix/F_create_M.c
===================================================================
--- /branches/eam_branches/ipp-20150419/Ohana/src/libfits/matrix/F_create_M.c	(revision 38299)
+++ /branches/eam_branches/ipp-20150419/Ohana/src/libfits/matrix/F_create_M.c	(revision 38300)
@@ -48,4 +48,6 @@
   if (!matrix->Naxes) return 0;
 
+  if (!matrix->Naxis[0]) return 0;
+
   int i;
   int Npix = 1;