diff --git a/hw/xfree86/drivers/modesetting/driver.c b/hw/xfree86/drivers/modesetting/driver.c
index bde690c7a..7df587e55 100644
--- a/hw/xfree86/drivers/modesetting/driver.c
+++ b/hw/xfree86/drivers/modesetting/driver.c
@@ -327,7 +327,7 @@ static void dispatch_dirty(ScreenPtr pScreen)
 	}
 
 	/* TODO query connector property to see if this is needed */
-	ret = drmModeDirtyFB(ms->fd, ms->fb_id, clip, num_cliprects);
+	ret = drmModeDirtyFB(ms->fd, ms->drmmode.fb_id, clip, num_cliprects);
 	if (ret) {
 	    if (ret == -EINVAL) {
 		ms->dirty_enabled = FALSE;
diff --git a/hw/xfree86/drivers/modesetting/driver.h b/hw/xfree86/drivers/modesetting/driver.h
index 494ca0ccf..2e5108939 100644
--- a/hw/xfree86/drivers/modesetting/driver.h
+++ b/hw/xfree86/drivers/modesetting/driver.h
@@ -46,7 +46,6 @@ typedef struct
 typedef struct _modesettingRec
 {
     int fd;
-    unsigned int fb_id;
 
     EntPtr entityPrivate;