1 files changed, 3 insertions, 1 deletions

diff --git a/lisp/progmodes/cplus-md.el b/lisp/progmodes/cplus-md.el
index 5e017473e8b..555f5a44d18 100644
--- a/lisp/progmodes/cplus-md.el
+++ b/lisp/progmodes/cplus-md.el
@@ -320,6 +320,8 @@ Turning on C++ mode calls the value of the variable `c++-mode-hook' with
 no args if that value is non-nil."
   (interactive)
   (kill-all-local-variables)
+  ;; This code depends on the old C mode.
+  (require 'c-mode)
   (use-local-map c++-mode-map)
   (set-syntax-table c++-mode-syntax-table)
   (setq major-mode 'c++-mode
@@ -801,7 +803,7 @@ Returns nil if line starts inside a string, t if in a comment."
                 (if (= (char-after (car contain-stack)) ?{)
                     (save-excursion
                       (goto-char (car contain-stack))
-                      (setq val (+ c-indent-level (current-column))))
+                      (setq val (calculate-c-indent-after-brace)))
                   (setq val (calculate-c++-indent
                              (if (car indent-stack)
                                  (- (car indent-stack))))))