diff --git a/src/cmd/mkfile b/src/cmd/mkfile
index 1dc3657..4567882 100644
--- a/src/cmd/mkfile
+++ b/src/cmd/mkfile
@@ -6,7 +6,7 @@
 <$PLAN9/src/mkmany
 
 BUGGERED='CVS|faces|factotum|mailfs|scat|upas|vac|venti|vncv|postscript|mnihongo|mpm|index'
-DIRS=`ls -l |sed -n 's/^d.* //p' |egrep -v "^($BUGGERED)$"`
+DIRS=lex `ls -l |sed -n 's/^d.* //p' |egrep -v "^($BUGGERED)$"|egrep -v '^lex$'`
 
 <$PLAN9/src/mkdirs