diff --git a/python/src/com/jetbrains/python/PyNames.java b/python/src/com/jetbrains/python/PyNames.java
index 42b0295216af..2192d910f269 100644
--- a/python/src/com/jetbrains/python/PyNames.java
+++ b/python/src/com/jetbrains/python/PyNames.java
@@ -129,6 +129,7 @@ public class PyNames {
     "__mro__",
     "__name__",
     "__path__",
+    "__qualname__",
     "__self__",
     "__slots__",
     "__version__"