diff --git a/tmux.conf b/tmux.conf
index 3847513..2e88298 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -51,11 +51,24 @@ unbind Enter
 bind Enter resize-pane -Z
 bind C-Enter resize-pane -Z
 
-# Use Alt-[j/i/l/k] keys without prefix key to switch panes.
-bind -n M-j select-pane -L
-bind -n M-k select-pane -D
-bind -n M-i select-pane -U
-bind -n M-l select-pane -R
+# Enable smart pane switching that's Emacs aware.
+is_emacs='echo "#{pane_current_command}" | grep -iqE "(^|\/)emacs$"'
+
+# Use Alt-[i/k/j/l] keys without prefix key to switch panes if current pane is
+# not running Emacs. If the pane is running Emacs, let Emacs receive the
+# keybindings instead.
+bind -n M-i if-shell "$is_emacs" "send-keys M-i" "select-pane -U"
+bind -n M-k if-shell "$is_emacs" "send-keys M-k" "select-pane -D"
+bind -n M-j if-shell "$is_emacs" "send-keys M-j" "select-pane -L"
+bind -n M-l if-shell "$is_emacs" "send-keys M-l" "select-pane -R"
+bind -T copy-mode M-i if-shell "$is_emacs" "send-keys M-i" "select-pane -U"
+bind -T copy-mode M-k if-shell "$is_emacs" "send-keys M-k" "select-pane -D"
+bind -T copy-mode M-j if-shell "$is_emacs" "send-keys M-j" "select-pane -L"
+bind -T copy-mode M-l if-shell "$is_emacs" "send-keys M-l" "select-pane -R"
+bind -T copy-mode-vi M-i if-shell "$is_emacs" "send-keys M-i" "select-pane -U"
+bind -T copy-mode-vi M-k if-shell "$is_emacs" "send-keys M-k" "select-pane -D"
+bind -T copy-mode-vi M-j if-shell "$is_emacs" "send-keys M-j" "select-pane -L"
+bind -T copy-mode-vi M-l if-shell "$is_emacs" "send-keys M-l" "select-pane -R"
 
 # Toogle synchronize-panes without prefix key.
 bind -n M-I setw synchronize-panes