diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index 7622f6a..e52fdbc 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -628,6 +628,7 @@ Needs to be set before org.el is loaded."
   :group 'org-agenda-startup
   :type 'boolean)
 
+
 (defvar org-agenda-include-inactive-timestamps nil
   "Non-nil means, include inactive time stamps in agenda and timeline.")
 
@@ -789,6 +790,12 @@ agenda display."
   :group 'org-agenda-daily/weekly
   :type 'boolean)
 
+(defcustom org-agenda-start-with-log-mode nil
+  "The initial value of log-mode in a newly created agenda window."
+  :group 'org-agenda-startup
+  :group 'org-agenda-daily/weekly
+  :type 'boolean)
+
 (defcustom org-agenda-start-with-clockreport-mode nil
   "The initial value of clockreport-mode in a newly created agenda window."
   :group 'org-agenda-startup
@@ -1252,7 +1259,7 @@ The following commands are available:
   (unless org-agenda-keep-modes
     (setq org-agenda-follow-mode org-agenda-start-with-follow-mode
 	  org-agenda-clockreport-mode org-agenda-start-with-clockreport-mode
-	  org-agenda-show-log nil))
+	  org-agenda-show-log org-agenda-start-with-log-mode))
   (easy-menu-change
    '("Agenda") "Agenda Files"
    (append