diff --git a/input.c b/input.c
index 9237ef5c..a914aa5a 100644
--- a/input.c
+++ b/input.c
@@ -1126,6 +1126,17 @@ input_csi_dispatch(struct input_ctx *ictx)
 		case 2:
 			screen_write_clearscreen(sctx);
 			break;
+		case 3:
+			switch (input_get(ictx, 1, 0, 0)) {
+			case 0:
+				/*
+				 * Linux console extension to clear history
+				 * (for example before locking the screen).
+				 */
+				screen_write_clearhistory(sctx);
+				break;
+			}
+			break;
 		default:
 			log_debug("%s: unknown '%c'", __func__, ictx->ch);
 			break;
diff --git a/screen-write.c b/screen-write.c
index 60623701..d1d02c7c 100644
--- a/screen-write.c
+++ b/screen-write.c
@@ -985,6 +985,17 @@ screen_write_clearscreen(struct screen_write_ctx *ctx)
 	tty_write(tty_cmd_clearscreen, &ttyctx);
 }
 
+/* Clear entire history. */
+void
+screen_write_clearhistory(struct screen_write_ctx *ctx)
+{
+	struct screen	*s = ctx->s;
+	struct grid	*gd = s->grid;
+
+	grid_move_lines(gd, 0, gd->hsize, gd->sy);
+	gd->hsize = 0;
+}
+
 /* Write cell data. */
 void
 screen_write_cell(struct screen_write_ctx *ctx,
diff --git a/server-fn.c b/server-fn.c
index e697af77..c8f85cd0 100644
--- a/server-fn.c
+++ b/server-fn.c
@@ -237,6 +237,7 @@ server_lock_client(struct client *c)
 	tty_stop_tty(&c->tty);
 	tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_SMCUP));
 	tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_CLEAR));
+	tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_E3));
 
 	c->flags |= CLIENT_SUSPENDED;
 	server_write_client(c, MSG_LOCK, &lockdata, sizeof lockdata);
diff --git a/tmux.h b/tmux.h
index a94bbaf9..87bb6852 100644
--- a/tmux.h
+++ b/tmux.h
@@ -206,6 +206,7 @@ enum tty_code_code {
 	TTYC_DIM,	/* enter_dim_mode, mh */
 	TTYC_DL,	/* parm_delete_line, DL */
 	TTYC_DL1,	/* delete_line, dl */
+	TTYC_E3,
 	TTYC_EL,	/* clr_eol, ce */
 	TTYC_EL1,	/* clr_bol, cb */
 	TTYC_ENACS,	/* ena_acs, eA */
@@ -1866,6 +1867,7 @@ void	 screen_write_kkeypadmode(struct screen_write_ctx *, int);
 void	 screen_write_clearendofscreen(struct screen_write_ctx *);
 void	 screen_write_clearstartofscreen(struct screen_write_ctx *);
 void	 screen_write_clearscreen(struct screen_write_ctx *);
+void	 screen_write_clearhistory(struct screen_write_ctx *);
 void	 screen_write_cell(struct screen_write_ctx *,
 	     const struct grid_cell *, const struct utf8_data *);
 void	 screen_write_setselection(struct screen_write_ctx *, u_char *, u_int);
diff --git a/tty-term.c b/tty-term.c
index 41cb97c4..201d0e1d 100644
--- a/tty-term.c
+++ b/tty-term.c
@@ -61,6 +61,7 @@ const struct tty_term_code_entry tty_term_codes[NTTYCODE] = {
 	{ TTYC_DIM, TTYCODE_STRING, "dim" },
 	{ TTYC_DL, TTYCODE_STRING, "dl" },
 	{ TTYC_DL1, TTYCODE_STRING, "dl1" },
+	{ TTYC_E3, TTYCODE_STRING, "E3" },
 	{ TTYC_EL, TTYCODE_STRING, "el" },
 	{ TTYC_EL1, TTYCODE_STRING, "el1" },
 	{ TTYC_ENACS, TTYCODE_STRING, "enacs" },