diff --git a/jedi/plugins/stdlib.py b/jedi/plugins/stdlib.py
index 4c723d42..90c8d247 100644
--- a/jedi/plugins/stdlib.py
+++ b/jedi/plugins/stdlib.py
@@ -363,7 +363,7 @@ class ClassMethodGet(ValueWrapper):
         self._function = function
 
     def get_signatures(self):
-        return self._function.get_signatures()
+        return [sig.bind(self._function) for sig in self._function.get_signatures()]
 
     def py__call__(self, arguments):
         return self._function.execute(ClassMethodArguments(self._class, arguments))
diff --git a/test/test_inference/test_signature.py b/test/test_inference/test_signature.py
index 7b1e4b2b..ad45b564 100644
--- a/test/test_inference/test_signature.py
+++ b/test/test_inference/test_signature.py
@@ -73,8 +73,8 @@ d = functools.partial()
         ('def f(x,/,y,* ,z): pass\n f(', 'f(x, /, y, *, z)'),
         ('def f(a, /, *, x=3, **kwargs): pass\n f(', 'f(a, /, *, x=3, **kwargs)'),
 
-        (classmethod_code + 'X.x(', 'x(cls, a, b)'),
-        (classmethod_code + 'X().x(', 'x(cls, a, b)'),
+        (classmethod_code + 'X.x(', 'x(a, b)'),
+        (classmethod_code + 'X().x(', 'x(a, b)'),
         (classmethod_code + 'X.static(', 'static(a, b)'),
         (classmethod_code + 'X().static(', 'static(a, b)'),