1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/textmodes/bibtex.el b/lisp/textmodes/bibtex.el
index 50d8ccad764..7b736708268 100644
--- a/lisp/textmodes/bibtex.el
+++ b/lisp/textmodes/bibtex.el
@@ -2662,6 +2662,7 @@ begins at the beginning of a line.  We use this function for font-locking."
         field bounds start end found)
     (bibtex-beginning-of-field)
     (while (and (not found)
+                (<= (point) bound)
                 (prog1 (re-search-forward bibtex-font-lock-url-regexp bound t)
                   (setq field (match-string-no-properties 1)))
                 (setq bounds (bibtex-parse-field-text))