1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/faces.el b/lisp/faces.el
index 0fe0644c6dd..e3e521bd713 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -1464,7 +1464,7 @@ examine the brightness for you."
 
 (defun frame-set-background-mode (frame)
   "Set up the `background-mode' and `display-type' frame parameters for FRAME."
-  (unless (memq (framep frame) '(t pc))
+  (unless (eq (framep frame) t)
     (let ((bg-resource (x-get-resource ".backgroundMode"
                                        "BackgroundMode"))
           (params (frame-parameters frame))