diff --git a/style/graphicx.el b/style/graphicx.el
index a35d151..3330cba 100644
--- a/style/graphicx.el
+++ b/style/graphicx.el
@@ -1,6 +1,6 @@
 ;;; graphicx.el --- AUCTeX style file for graphicx.sty
 
-;; Copyright (C) 2000, 2004, 2005 by Free Software Foundation, Inc.
+;; Copyright (C) 2000, 2004, 2005, 2013 by Free Software Foundation, Inc.
 
 ;; Author: Ryuichi Arafune <address@hidden>
 ;; Created: 1999/3/20
@@ -41,7 +41,12 @@
     '("resizebox*" "Width" "Total height" "Argument")
     '("rotatebox" [ "Options" ] "Angle" "Argument")
     '("scalebox" "Horizontal scale" [ "Vertical scale" ] "Argument")
-    '("includegraphics" LaTeX-arg-includegraphics))
+    '("includegraphics" LaTeX-arg-includegraphics)
+    ;; defined in graphics.sty
+    '("DeclareGraphicsExtensions" "Graphic file extensions")
+    '("DeclareGraphicsRule" "Extension" "Graphics type"
+      "File extension which contains BoundingBox information" 1))
+
    ;; Fontification
    (when (and (featurep 'font-latex)
 	      (eq TeX-install-font-lock 'font-latex-setup))