1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/image-mode.el b/lisp/image-mode.el
index 606c66143aa..92ba577b4f5 100644
--- a/lisp/image-mode.el
+++ b/lisp/image-mode.el
@@ -786,7 +786,7 @@ was inserted."
 (defun image--imagemagick-wanted-p (filename)
   (and (fboundp 'imagemagick-types)
        (not (eq imagemagick-types-inhibit t))
-       (not (and (file-name-extension filename)
+       (not (and filename (file-name-extension filename)
                  (memq (intern (upcase (file-name-extension filename)) obarray)
                        imagemagick-types-inhibit)))))