diff --git a/zsh/.config/oh-my-zsh/custom/gpg.zsh b/zsh/.config/oh-my-zsh/custom/gpg.zsh
new file mode 100644
index 0000000..ba7b529
--- /dev/null
+++ b/zsh/.config/oh-my-zsh/custom/gpg.zsh
@@ -0,0 +1,13 @@
+# From gpg-agent(1):
+# 
+# You should always add the following lines to your .bashrc  or  whatever
+# initialization file is used for all shell invocations:
+# 
+#   GPG_TTY=$(tty)
+#   export GPG_TTY
+# 
+# It is important that this environment variable always reflects the out‐
+# put of the tty command.
+
+export GPG_TTY=$(tty)
+