diff --git a/test/integration/rhel-8.0/new-function.patch b/test/integration/rhel-8.0/new-function.patch
index d935205..f1f21a7 100644
--- a/test/integration/rhel-8.0/new-function.patch
+++ b/test/integration/rhel-8.0/new-function.patch
@@ -15,8 +15,8 @@ index 3ad4602..f3cda7e 100644
  	return (b - buf) ? b - buf : retval;
  }
  
-+static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
-+			   const unsigned char *buf, size_t nr)
++static ssize_t __attribute__((optimize("-fno-optimize-sibling-calls"))) n_tty_write(struct tty_struct *tty, struct file *file,
++			   							     const unsigned char *buf, size_t nr)
 +{
 +	return kpatch_n_tty_write(tty, file, buf, nr);
 +}