diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 06fb39c1d6dd5e06fb7541030d881d9999813771..ae203c2cd15a753462a4fee35d1e98ebaaabb218 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1176,7 +1176,7 @@ static void csi_J(struct vc_data *vc, int vpar)
 			break;
 		case 3: /* erase scroll-back buffer (and whole display) */
 			scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
-				    vc->vc_screenbuf_size >> 1);
+				    vc->vc_screenbuf_size);
 			set_origin(vc);
 			if (con_is_visible(vc))
 				update_screen(vc);