diff --git a/.tmux.conf b/.tmux.conf
index 25ded50..3a0b4eb 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -15,6 +15,8 @@ set -s escape-time 10                     # faster command sequences
 set -sg repeat-time 600                   # increase repeat timeout
 set -s focus-events on
 
+set -ga update-environment SSH_TTY        # OSC 52 escape sequence receiver
+
 set -g prefix2 C-a                        # GNU-Screen compatible prefix
 bind C-a send-prefix -2
 
@@ -640,7 +642,7 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #     fi
 #   fi
 #
-#   printf "\033Ptmux;\033\033]52;c;%s\a\033\\" "$(printf %s "$buffer" | base64)" > "$tty"
+#   printf '\033Ptmux;\033\033]52;c;%s\a\033\\' "$(printf %s "$buffer" | base64)" > "$tty"
 # }
 #
 # _apply_overrides() {