diff --git a/stow/.zshrc b/stow/.zshrc
index 47c7486..da76ce5 100644
--- a/stow/.zshrc
+++ b/stow/.zshrc
@@ -6,9 +6,11 @@ bindkey -e
 
 # hist
 HISTFILE="$HOME/.local/share/zsh_hist"
-SAVEHIST=10000000
 HISTSIZE=10000000
+SAVEHIST=$HISTSIZE
 
+setopt appendhistory
+setopt sharehistory
 setopt hist_save_no_dups
 setopt hist_ignore_all_dups
 setopt hist_find_no_dups