diff --git a/gitconfig b/gitconfig
index 468abfa..0cc6635 100644
--- a/gitconfig
+++ b/gitconfig
@@ -30,3 +30,5 @@
   autosquash = true
 [diff]
   colorMoved = zebra
+[commit]
+  gpgSign = true
diff --git a/zshenv b/zshenv
index d798940..c1e09a3 100644
--- a/zshenv
+++ b/zshenv
@@ -1,4 +1,5 @@
 export EDITOR="nvim"
+export GPG_TTY=$(tty)
 
 fpath+=(~/.zsh/completions)