diff --git a/second/console.c b/second/console.c
index 5cebc85..ee318dc 100644
--- a/second/console.c
+++ b/second/console.c
@@ -67,6 +67,13 @@ int console_keypressed(int timeout)
 {
 	long time = Ticks + timeout;
 
+	/* wait user releases the previous key */
+
+	while (serial_keypressed(SERIAL_MODEM_PORT) ||
+	       serial_keypressed(SERIAL_PRINTER_PORT) ||
+	       (vga_is_available() && keyboard_keypressed()))
+	       ;
+
 	while (!timeout || (Ticks < time))
 	{
 		if (serial_keypressed(SERIAL_MODEM_PORT))