lisp/org-faces.el | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/lisp/org-faces.el b/lisp/org-faces.el
index 8b0e387e6..637d32c30 100644
--- a/lisp/org-faces.el
+++ b/lisp/org-faces.el
@@ -179,7 +179,9 @@ set the properties in the `org-column' face.  For example, set
   :group 'org-faces)
 
 (defface org-date
-  '((((class color) (background light)) (:foreground "Purple" :underline t))
+  ;; NOTE: `fixed-pitch' ensures compatibility with `variable-pitch-mode'
+  '((default :inherit fixed-pitch)
+    (((class color) (background light)) (:foreground "Purple" :underline t))
     (((class color) (background dark)) (:foreground "Cyan" :underline t))
     (t (:underline t)))
   "Face for date/time stamps."
@@ -355,7 +357,9 @@ changes."
 		   (sexp :tag "Face")))))
 
 (defface org-table	   ;Copied from `font-lock-function-name-face'
-  '((((class color) (min-colors 88) (background light)) (:foreground "Blue1"))
+  ;; NOTE: `fixed-pitch' ensures compatibility with `variable-pitch-mode'
+  '((default :inherit fixed-pitch)
+    (((class color) (min-colors 88) (background light)) (:foreground "Blue1"))
     (((class color) (min-colors 88) (background dark)) (:foreground "LightSkyBlue"))
     (((class color) (min-colors 16) (background light)) (:foreground "Blue"))
     (((class color) (min-colors 16) (background dark)) (:foreground "LightSkyBlue"))
@@ -371,7 +375,9 @@ changes."
   :group 'org-faces)
 
 (defface org-formula
-  '((((class color) (min-colors 88) (background light)) (:foreground "Firebrick"))
+  ;; NOTE: `fixed-pitch' ensures compatibility with `variable-pitch-mode'
+  '((default :inherit fixed-pitch)
+    (((class color) (min-colors 88) (background light)) (:foreground "Firebrick"))
     (((class color) (min-colors 88) (background dark)) (:foreground "chocolate1"))
     (((class color) (min-colors 8)  (background light)) (:foreground "red"))
     (((class color) (min-colors 8)  (background dark)) (:foreground "red"))
@@ -384,7 +390,8 @@ changes."
   :group 'org-faces
   :version "22.1")
 
-(defface org-meta-line '((t :inherit font-lock-comment-face))
+;; NOTE: `fixed-pitch' ensures compatibility with `variable-pitch-mode'
+(defface org-meta-line '((t :inherit (fixed-pitch font-lock-comment-face)))
   "Face for meta lines starting with \"#+\"."
   :group 'org-faces
   :version "22.1")
@@ -408,7 +415,8 @@ follows a #+DATE:, #+AUTHOR: or #+EMAIL: keyword."
   "Face for #+TITLE:, #+AUTHOR:, #+EMAIL: and #+DATE: keywords."
   :group 'org-faces)
 
-(defface org-block `((t :inherit shadow
+;; NOTE: `fixed-pitch' ensures compatibility with `variable-pitch-mode'
+(defface org-block `((t :inherit (fixed-pitch shadow)
 			,@(and (>= emacs-major-version 27) '(:extend t))))
   "Face text in #+begin ... #+end blocks.
 For source-blocks, `org-src-block-faces' takes precedence."