diff --git a/lib/completion.zsh b/lib/completion.zsh
index c231ee21e..9fe351b33 100644
--- a/lib/completion.zsh
+++ b/lib/completion.zsh
@@ -43,7 +43,7 @@ if [ -f ~/.ssh/known_hosts ]; then
 fi
 
 # Complete on history
-# zstyle ':completion:*:history-words' stop yes
-# zstyle ':completion:*:history-words' remove-all-dups yes
-# zstyle ':completion:*:history-words' list false
-# zstyle ':completion:*:history-words' menu yes
+zstyle ':completion:*:history-words' stop yes
+zstyle ':completion:*:history-words' remove-all-dups yes
+zstyle ':completion:*:history-words' list false
+zstyle ':completion:*:history-words' menu yes