diff --git a/src/runtime/Types/ReflectedClrType.cs b/src/runtime/Types/ReflectedClrType.cs
index 43d2f989d..01ec68d21 100644
--- a/src/runtime/Types/ReflectedClrType.cs
+++ b/src/runtime/Types/ReflectedClrType.cs
@@ -331,10 +331,15 @@ static bool TryGetBuiltinAttr(BorrowedReference ob, BorrowedReference key, out N
             return false;
         }
 
-        if (keyStr == nameof(PyIdentifier.__init__))
+        switch (keyStr)
         {
-            result = Runtime.PyObject_GenericGetAttr(ob, key);
-            return true;
+            case nameof(PyIdentifier.__init__):
+                result = Runtime.PyObject_GenericGetAttr(ob, key);
+                return true;
+
+            case nameof(PyIdentifier.__dict__):
+                result = Runtime.PyObject_GenericGetDict(ob);
+                return true;
         }
 
         if (keyStr == nameof(PyIdentifier.__dict__))
diff --git a/tests/test_method_getattribute.py b/tests/test_method_getattribute.py
index 58e755172..57e7a7b27 100644
--- a/tests/test_method_getattribute.py
+++ b/tests/test_method_getattribute.py
@@ -3,6 +3,14 @@
 IBASE = System.Collections.IEnumerable
 
 
+def test_instance_get_dict():
+    class T:
+        pass
+
+    t = T()
+    assert isinstance(t.__dict__, dict)
+
+
 def test_method_getattribute():
     class S1(BASE):
         def __getattribute__(self, name):