diff --git a/tmux.conf b/tmux.conf
index fdfeffb..fcf96ca 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -35,4 +35,5 @@ set -g window-status-current-attr bright
 
 setw -g mode-keys vi
 
-set -g update-environment -r
+set -g update-environment "DISPLAY SSH_ASKPASS SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY"
+set-environment -g 'SSH_AUTH_SOCK' ~/.ssh/ssh_auth_sock