diff --git a/bash_completion b/bash_completion
index 1d57de3a83b..1b55447b0eb 100644
--- a/bash_completion
+++ b/bash_completion
@@ -1922,7 +1922,7 @@ _known_hosts_real()
         local -a hosts=($(command sed -ne 's/^[[:blank:]]*[Hh][Oo][Ss][Tt][[:blank:]=]\{1,\}\(.*\)$/\1/p' "${config[@]}"))
         if ((${#hosts[@]} != 0)); then
             COMPREPLY+=($(compgen -P "$prefix" \
-                -S "$suffix" -W '"${hosts[@]%%[*?%]*}"' -X '\!*' -- "$cur"))
+                -S "$suffix" -W '"${hosts[@]%%[*?%]*}"' -X '@(\!*|)' -- "$cur"))
         fi
     fi
 
diff --git a/test/fixtures/_known_hosts_real/config b/test/fixtures/_known_hosts_real/config
index 513f02fdbbc..85f06790af9 100644
--- a/test/fixtures/_known_hosts_real/config
+++ b/test/fixtures/_known_hosts_real/config
@@ -1,6 +1,8 @@
     UserKnownHostsFile _known_hosts_real/known_hosts
 
     # Unindented
+Host *
+     IPQoS none
 Host gee* jar?this-part-we-do-not-complete-at-least-yet
      HostName %h.example.com
 	# Indented, with = separator