diff --git a/tmux.conf b/tmux.conf
index b7020d2..5f4cce2 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -151,10 +151,12 @@ if-shell 'command -v pbcopy >/dev/null' \
 bind-key -Tcopy-mode-vi Escape send -X cancel                  # cancel v mode
 bind-key -Tcopy-mode-vi ^v send -X rectangle-toggle            # cancel v mode
 
-bind-key -T copy-mode-vi MouseDown1Pane select-pane\; send-keys -X clear-selection
+bind-key -T copy-mode-vi MouseDown1Pane select-pane -t = \; send-keys -X cancel
 bind -n MouseDrag1Pane if -Ft= '#{mouse_any_flag}' 'if -Ft= \"#{pane_in_mode}\" \"copy-mode -eM\" \"send-keys -M\"' 'copy-mode -eM'
 # (note) {{{
-# The `bind-key -T copy-m...` let a single click do selection clearing for us.
+# The `bind-key -T copy-m...` makes a single click leave copy-mode: back to
+#   the prompt, selection dropped. A drag still selects (MouseDrag1Pane below
+#   re-enters copy-mode) and a click on another pane still switches to it.
 # The `bind -n MouseDrag1Pane if -Ft= ...` changes the default binding of
 #   MouseDrag1Pane, the only difference is that we use `copy-mode -eM` instead
 #   of `copy-mode -M`, so that WheelDownPane can trigger copy-mode to exit when