diff --git a/doc/en/example/xfail_demo.py b/doc/en/example/xfail_demo.py
index 79752680a..c6e147e4d 100644
--- a/doc/en/example/xfail_demo.py
+++ b/doc/en/example/xfail_demo.py
@@ -27,4 +27,4 @@ def test_hello6():
 @xfail(raises=IndexError)
 def test_hello7()
     x = []
-    assert x[1] == 1
+    x[1] = 1