diff --git a/fill3/fill3/terminal.py b/fill3/fill3/terminal.py
index f2c52e5..fbe9086 100644
--- a/fill3/fill3/terminal.py
+++ b/fill3/fill3/terminal.py
@@ -70,6 +70,7 @@ def alternate_buffer():
 def interactive():
     old_termios_settings = termios.tcgetattr(sys.stdin)
     new_settings = termios.tcgetattr(sys.stdin)
+    new_settings[0] = new_settings[0] & ~termios.IXON
     new_settings[3] = new_settings[3] & ~termios.ECHO & ~termios.ICANON
     new_settings[6][termios.VMIN] = 0
     termios.tcsetattr(sys.stdin, termios.TCSADRAIN, new_settings)