diff --git a/src/i830_lvds.c b/src/i830_lvds.c
index a3a56f7..76e55f7 100644
--- a/src/i830_lvds.c
+++ b/src/i830_lvds.c
@@ -926,6 +926,16 @@ i830_lvds_init(ScrnInfoPtr pScrn)
     bios_mode = i830_bios_get_panel_mode(pScrn, &dev_priv->panel_wants_dither);
     if (bios_mode != NULL) {
 	if (dev_priv->panel_fixed_mode != NULL) {
+	    /* Fixup for a 1366x768 panel with the horizontal trimmed
+	     * down to 1024 for text mode.
+	     */
+	    if (!xf86ModesEqual(dev_priv->panel_fixed_mode, bios_mode) &&
+		bios_mode->HDisplay == 1366)
+	    {
+		memcpy(&dev_priv->panel_fixed_mode->Clock,
+			&bios_mode->Clock, sizeof(int)*12);
+	    }
+
 	    /* Fixup for a 1280x768 panel with the horizontal trimmed
 	     * down to 1024 for text mode.
 	     */