1 files changed, 2 insertions, 0 deletions

diff --git a/lisp/gnus/mm-decode.el b/lisp/gnus/mm-decode.el
index 78b953946f8..435940faec2 100644
--- a/lisp/gnus/mm-decode.el
+++ b/lisp/gnus/mm-decode.el
@@ -38,6 +38,8 @@
   (autoload 'mm-inline-external-body "mm-extern")
   (autoload 'mm-insert-inline "mm-view"))
 
+(defvar gnus-current-window-configuration)
+
 (add-hook 'gnus-exit-gnus-hook 'mm-destroy-postponed-undisplay-list)
 
 (defgroup mime-display ()