diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 636c539..cf9a191 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -607,6 +607,9 @@
 
 	nonseekable_open(inode, filp);
 
+	/* We refuse fsnotify events on ptmx, since it's a shared resource */
+	filp->f_mode |= FMODE_NONOTIFY;
+
 	retval = tty_alloc_file(filp);
 	if (retval)
 		return retval;