diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 557ba89cd12d..3b0c475c7ab4 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -512,6 +512,9 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 	if (err)
 		return err;
 
+	mxb->video_dev.tvnorms = mxb_inputs[input].std;
+	mxb->vbi_dev.tvnorms = mxb_inputs[input].std;
+
 	/* switch video in saa7111a */
 	if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
 		pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");