diff --git a/.zshenv b/.zshenv
index f4785c2..9963fa0 100644
--- a/.zshenv
+++ b/.zshenv
@@ -39,6 +39,7 @@ fi
 
 # Set SSH auth socket
 unset SSH_AGENT_PID
-if [ "${gnupg_SSH_AUTH_SOCK_by:-0}" -ne $$ ]; then
+if hash gpgconf 2>/dev/null && [[ "${gnupg_SSH_AUTH_SOCK_by:-0}" -ne $$ ]]
+then
   export SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
 fi