diff --git a/confluent_client/bin/confetty b/confluent_client/bin/confetty
index 2d53cdaf..0ce3cd5e 100755
--- a/confluent_client/bin/confetty
+++ b/confluent_client/bin/confetty
@@ -635,7 +635,7 @@ def quitconfetty(code=0, fullexit=False, fixterm=True):
     global didconsole
     if fixterm or didconsole:
         currfl = fcntl.fcntl(sys.stdin.fileno(), fcntl.F_GETFL)
-        fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, currfl ^ os.O_NONBLOCK)
+        fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, currfl & ~os.O_NONBLOCK)
         if oldtcattr is not None:
             termios.tcsetattr(sys.stdin.fileno(), termios.TCSANOW, oldtcattr)
     # Request default color scheme, to undo potential weirdness of terminal