diff --git a/doclib/dot-munge.pl b/doclib/dot-munge.pl
index 550a3a2248a777c8bc04a7a7eb212a4a2ed83177..dcebfc8bb6c01a0f37057421465924e57fd36f59 100755
--- a/doclib/dot-munge.pl
+++ b/doclib/dot-munge.pl
@@ -2,6 +2,9 @@
 
 # Reduce font size
 s/fontsize=10/fontsize=8/g; 
+s/fontname="FreeSans.ttf"/fontname="Bitstream Vera Sans Mono"/g;
+##s/fontname="FreeSans.ttf"/fontname="Verdana"/g;
+##s/fontname="FreeSans.ttf"/fontname="Lucida Sans Typewriter"/g;
 
 # Wrap long labels (templates)
 if (/label=\"([^"]*)\"/) {                                  #"])){ # To make emacs happy ...