diff -ur gentoo-bashcomp-20090613.org/gentoo gentoo-bashcomp-20090613/gentoo
--- gentoo-bashcomp-20090613.org/gentoo	2009-06-13 04:19:20.000000000 +0200
+++ gentoo-bashcomp-20090613/gentoo	2009-12-18 19:25:14.000000000 +0100
@@ -701,7 +701,8 @@
     cur="${COMP_WORDS[COMP_CWORD]}"
 
     opts="help setup clean fetch digest manifest unpack compile test preinst \
-        install postinst qmerge merge unmerge prerm postrm config package rpm"
+        install postinst qmerge merge unmerge prerm postrm config package rpm \
+        configure prepare"
 
     if [[ $COMP_CWORD -eq 1 ]] ; then
     COMPREPLY=($(compgen -f -X "!*.ebuild" -- ${cur}) \