diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1e974b1525a..a7927fd092a 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2014-02-24  Leo Liu  <sdl.web@gmail.com>
+
+	* emacs-lisp/easy-mmode.el (define-minor-mode): Fix debug spec.
+
 2014-02-24  Juanma Barranquero  <lekktu@gmail.com>
 
 	* apropos.el (apropos-print): Avoid formatting error when
diff --git a/lisp/emacs-lisp/easy-mmode.el b/lisp/emacs-lisp/easy-mmode.el
index 2db629ea86c..b5b6566cf66 100644
--- a/lisp/emacs-lisp/easy-mmode.el
+++ b/lisp/emacs-lisp/easy-mmode.el
@@ -148,7 +148,7 @@ For example, you could write
     :lighter \" Foo\" :require 'foo :global t :group 'hassle :version \"27.5\"
     ...BODY CODE...)"
   (declare (doc-string 2)
-           (debug (&define name stringp
+           (debug (&define name string-or-null-p
 			   [&optional [&not keywordp] sexp
 			    &optional [&not keywordp] sexp
 			    &optional [&not keywordp] sexp]