diff --git a/lisp/org-capture.el b/lisp/org-capture.el
index 2de9e1197..9fbd00ccd 100644
--- a/lisp/org-capture.el
+++ b/lisp/org-capture.el
@@ -524,7 +524,7 @@ for a capture buffer.")
   "Minor mode for special key bindings in a capture buffer.
 
 Turning on this mode runs the normal hook `org-capture-mode-hook'."
-  nil " Cap" org-capture-mode-map
+  :lighter " Cap"
   (setq-local
    header-line-format
    (substitute-command-keys
diff --git a/lisp/org-indent.el b/lisp/org-indent.el
index c6bf41656..3475cadc4 100644
--- a/lisp/org-indent.el
+++ b/lisp/org-indent.el
@@ -167,7 +167,7 @@ properties, after each buffer modification, on the modified zone.
 The process is synchronous.  Though, initial indentation of
 buffer, which can take a few seconds on large buffers, is done
 during idle time."
-  nil " Ind" nil
+  :lighter " Ind"
   (cond
    (org-indent-mode
     ;; mode was turned on.
diff --git a/lisp/org-list.el b/lisp/org-list.el
index 98d9e36da..4d84d99bb 100644
--- a/lisp/org-list.el
+++ b/lisp/org-list.el
@@ -2296,7 +2296,7 @@ is an integer, 0 means `-', 1 means `+' etc.  If WHICH is
 ;;;###autoload
 (define-minor-mode org-list-checkbox-radio-mode
   "When turned on, use list checkboxes as radio buttons."
-  nil " CheckBoxRadio" nil
+  :lighter " CheckBoxRadio"
   (unless (eq major-mode 'org-mode)
     (user-error "Cannot turn this mode outside org-mode buffers")))
 
diff --git a/lisp/org-src.el b/lisp/org-src.el
index 20acee4e6..cabedecb6 100644
--- a/lisp/org-src.el
+++ b/lisp/org-src.el
@@ -682,7 +682,7 @@ This minor mode is turned on in two situations:
 \\{org-src-mode-map}
 
 See also `org-src-mode-hook'."
-  nil " OrgSrc" nil
+  :lighter " OrgSrc"
   (when org-edit-src-persistent-message
     (setq header-line-format
 	  (substitute-command-keys
diff --git a/lisp/org-table.el b/lisp/org-table.el
index 3030751cc..c72178eb5 100644
--- a/lisp/org-table.el
+++ b/lisp/org-table.el
@@ -499,7 +499,7 @@ This may be useful when columns have been shrunk."
 ;;;###autoload
 (define-minor-mode org-table-header-line-mode
   "Display the first row of the table at point in the header line."
-  nil " TblHeader" nil
+  :lighter " TblHeader"
   (unless (eq major-mode 'org-mode)
     (user-error "Cannot turn org table header mode outside org-mode buffers"))
   (if org-table-header-line-mode
@@ -1966,7 +1966,7 @@ lines."
 When this mode is active, the field editor window will always show the
 current field.  The mode exits automatically when the cursor leaves the
 table (but see `org-table-exit-follow-field-mode-when-leaving-table')."
-  nil " TblFollow" nil
+  :lighter " TblFollow"
   (if org-table-follow-field-mode
       (add-hook 'post-command-hook 'org-table-follow-fields-with-editor
 		'append 'local)
@@ -5133,7 +5133,7 @@ When LOCAL is non-nil, show references for the table at point."
 ;;;###autoload
 (define-minor-mode orgtbl-mode
   "The Org mode table editor as a minor mode for use in other modes."
-  :lighter " OrgTbl" :keymap orgtbl-mode-map
+  :lighter " OrgTbl"
   (org-load-modules-maybe)
   (cond
    ((derived-mode-p 'org-mode)
diff --git a/lisp/org.el b/lisp/org.el
index 675a614e2..f7fd90cf9 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -15640,7 +15640,7 @@ When a buffer is unmodified, it is just killed.  When modified, it is saved
 This mode supports entering LaTeX environment and math in LaTeX fragments
 in Org mode.
 \\{org-cdlatex-mode-map}"
-  nil " OCDL" nil
+  :lighter " OCDL"
   (when org-cdlatex-mode
     (require 'cdlatex)
     (run-hooks 'cdlatex-mode-hook)
diff --git a/lisp/ox-beamer.el b/lisp/ox-beamer.el
index dd721c470..b065df50b 100644
--- a/lisp/ox-beamer.el
+++ b/lisp/ox-beamer.el
@@ -893,14 +893,16 @@ holding export options."
 ;;; Minor Mode
 
 
-(defvar org-beamer-mode-map (make-sparse-keymap)
+(defvar org-beamer-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map "\C-c\C-b" 'org-beamer-select-environment)
+    map)
   "The keymap for `org-beamer-mode'.")
-(define-key org-beamer-mode-map "\C-c\C-b" 'org-beamer-select-environment)
 
 ;;;###autoload
 (define-minor-mode org-beamer-mode
   "Support for editing Beamer oriented Org mode files."
-  nil " Bm" 'org-beamer-mode-map)
+  :lighter " Bm")
 
 (when (fboundp 'font-lock-add-keywords)
   (font-lock-add-keywords