00ccb449907d322c6bfa53f17e96cbf48651fee3

 1diff --git a/plugins/vagrant/_vagrant b/plugins/vagrant/_vagrant
 2index 3e16dbebf70330ddedab87b1274298b81bb390cb..e888355063bbdd49c0f163f8609fe5b1018dc486 100644
 3--- a/plugins/vagrant/_vagrant
 4+++ b/plugins/vagrant/_vagrant
 5@@ -69,7 +69,7 @@ __box_list ()
 6 
 7 __vm_list ()
 8 {
 9-    _wanted application expl 'command' compadd $(command grep "${VAGRANT_CWD:-.}/Vagrantfile" -oe '^[^#]*\.vm\.define *[:"]\([a-zA-Z0-9_-]\+\)' 2>/dev/null | awk '{print substr($2, 2)}')
10+    _wanted application expl 'command' compadd $(command grep "${VAGRANT_CWD:-.}/Vagrantfile" -oe '^[^#]*\.vm\.define *[:"]\([a-zA-Z0-9\._-]\+\)' 2>/dev/null | awk '{print substr($2, 2)}')
11     _wanted application expl 'command' compadd $(command ls "${VAGRANT_CWD:-.}/.vagrant/machines/" 2>/dev/null)
12 }
13