diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index 592cbbc..226ff80 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -33,7 +33,7 @@ bind -n C-Down if-shell "$is_vim" "send-keys C-j" "select-pane -D"
 bind -n C-Up if-shell "$is_vim" "send-keys C-k" "select-pane -U"
 bind -n C-Right if-shell "$is_vim" "send-keys C-l" "select-pane -R"
 
-bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"
+bind -n 'C-\' if-shell "$is_vim" 'send-keys C-\\' "select-pane -l"
 
 # Use vi keybindings for tmux commandline input.
 # Note that to get command mode you need to hit ESC twice...