1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/gnus/nndoc.el b/lisp/gnus/nndoc.el
index 00d9f4d4dd0..9c28cb12807 100644
--- a/lisp/gnus/nndoc.el
+++ b/lisp/gnus/nndoc.el
@@ -1011,7 +1011,7 @@ PARENT is the message-ID of the parent summary line, or nil for none."
                       (when (re-search-forward "^Content-Type:\\([^;]*\\);"
                                                nil t)
                         (setq len (- (match-end 1) (match-beginning 1)
-                                     (length content-type))
+                                     (length content-type) 1)
                               head-end (- head-end len)
                               body-begin (- body-begin len)
                               body-end (- body-end len))