diff --git a/README b/README
index c96b4fdb62..08ce22e031 100644
--- a/README
+++ b/README
@@ -159,6 +159,10 @@ Compiler Notes
   might want to double check that you have the latest bug fixes and
   patches for your compiler.
 
+- Building Open MPI on a NetBSD-6 AMD64 system will run into obscure
+  compile-time failures if f95/g95 is found in the path.  You can work
+  around such problems by removing g95 from your path.
+
 - Absoft 11.5.2 plus a service pack from September 2012 (which Absoft
   says is available upon request), or a version later than 11.5.2
   (e.g., 11.5.3), is required to compile the new Fortran mpi_f08