diff --git a/src/system/libroot/posix/termios.c b/src/system/libroot/posix/termios.c
index 5f559bedc9..818157975a 100644
--- a/src/system/libroot/posix/termios.c
+++ b/src/system/libroot/posix/termios.c
@@ -166,6 +166,8 @@ cfmakeraw(struct termios *termios)
 	termios->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
 	termios->c_cflag &= ~(CSIZE | PARENB);
 	termios->c_cflag |= CS8;
+	termios->c_cc[VMIN] = 1;	// input is available character by character
+	termios->c_cc[VTIME] = 0;
 }