diff --git a/ChangeLog b/ChangeLog
index 46695b15a3..fe8c0c2ac8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
-Sun May 19 02:30:00 2013  Akinori MUSHA  <knu@iDaemons.org>
+Sun May 19 02:33:09 2013  Akinori MUSHA  <knu@iDaemons.org>
+
+	* misc/ruby-electric.el (ruby-electric-setup-keymap): Make
+	  backquotes electric as well.  It was listed in
+	  ruby-electric-expand-delimiters-list but not activated.
 
 	* misc/ruby-electric.el (ruby-electric-delete-backward-char):
 	  Introduce electric DEL that deletes what the previous electric
diff --git a/misc/ruby-electric.el b/misc/ruby-electric.el
index 2972651691..078d12be76 100644
--- a/misc/ruby-electric.el
+++ b/misc/ruby-electric.el
@@ -120,6 +120,7 @@ strings. Note that you must have Font Lock enabled."
   (define-key ruby-mode-map "[" 'ruby-electric-matching-char)
   (define-key ruby-mode-map "\"" 'ruby-electric-matching-char)
   (define-key ruby-mode-map "\'" 'ruby-electric-matching-char)
+  (define-key ruby-mode-map "`" 'ruby-electric-matching-char)
   (define-key ruby-mode-map "}" 'ruby-electric-closing-char)
   (define-key ruby-mode-map ")" 'ruby-electric-closing-char)
   (define-key ruby-mode-map "]" 'ruby-electric-closing-char)
@@ -279,7 +280,7 @@ strings. Note that you must have Font Lock enabled."
                  (ruby-electric-string-at-point-p)))
            (save-excursion (insert closing))
          (and (eq last-command 'ruby-electric-matching-char)
-              (char-equal (following-char) closing) ;; repeated ' or "
+              (char-equal (following-char) closing) ;; repeated quotes
               (delete-forward-char 1))
          (setq this-command 'self-insert-command)))
       ((ruby-electric-code-at-point-p)