diff --git a/etc/NEWS b/etc/NEWS
index 8b327fac0f..26af52af58 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -3299,6 +3299,10 @@ Setting this to nil inhibits that.
 ** 'vc-print-branch-log' shows the change log from its root directory.
 It previously used to use the default directory.
 
+---
+** 'vc-switch-backend' is rebound from 'C-x v b' to 'C-x v B'.
+The prefix key 'C-x v b' is reserved for coming branch commands.
+
 ---
 ** 'project-shell' and 'shell' now use 'pop-to-buffer-same-window'.
 This is to keep the same behavior as Eshell.
diff --git a/lisp/vc/vc-hooks.el b/lisp/vc/vc-hooks.el
index b7760e3bba..7455a306bc 100644
--- a/lisp/vc/vc-hooks.el
+++ b/lisp/vc/vc-hooks.el
@@ -864,7 +864,8 @@ vc-kill-buffer-hook
 (defvar vc-prefix-map
   (let ((map (make-sparse-keymap)))
     (define-key map "a" #'vc-update-change-log)
-    (define-key map "b" #'vc-switch-backend)
+    ;; TODO: Use the prefix key "b" for branch commands.
+    (define-key map "B" #'vc-switch-backend)
     (define-key map "d" #'vc-dir)
     (define-key map "g" #'vc-annotate)
     (define-key map "G" #'vc-ignore)