1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/textmodes/tex-mode.el b/lisp/textmodes/tex-mode.el
index cc9ed23c6be..ab549d47b6e 100644
--- a/lisp/textmodes/tex-mode.el
+++ b/lisp/textmodes/tex-mode.el
@@ -573,7 +573,7 @@ An alternative value is \" . \", if you use a font with a narrow period."
               2 '(tex-font-lock-append-prop 'italic) 'append)
         ;; This is separate from the previous one because of cases like
         ;; {\em foo {\bf bar} bla} where both match.
-        (list (concat "\\\\\\(bf\\)\\>" args)
+        (list (concat "\\\\\\(bf\\(series\\)?\\)\\>" args)
               2 '(tex-font-lock-append-prop 'bold) 'append)))))
    "Gaudy expressions to highlight in TeX modes.")