diff --git a/doc/data/messages/b/bad-classmethod-argument/bad.py b/doc/data/messages/b/bad-classmethod-argument/bad.py
new file mode 100644
index 0000000000..7e43001b59
--- /dev/null
+++ b/doc/data/messages/b/bad-classmethod-argument/bad.py
@@ -0,0 +1,5 @@
+class Klass:
+
+    @classmethod
+    def get_instance(self):  # [bad-classmethod-argument]
+        return self()
diff --git a/doc/data/messages/b/bad-classmethod-argument/good.py b/doc/data/messages/b/bad-classmethod-argument/good.py
new file mode 100644
index 0000000000..3d4decea36
--- /dev/null
+++ b/doc/data/messages/b/bad-classmethod-argument/good.py
@@ -0,0 +1,5 @@
+class Klass:
+
+    @classmethod
+    def get_instance(cls):
+        return cls()