diff --git a/python/testSrc/com/jetbrains/python/PyStubsTest.java b/python/testSrc/com/jetbrains/python/PyStubsTest.java
index 7b6592933a74..698ed521044d 100644
--- a/python/testSrc/com/jetbrains/python/PyStubsTest.java
+++ b/python/testSrc/com/jetbrains/python/PyStubsTest.java
@@ -606,7 +606,7 @@ public class PyStubsTest extends PyTestCase {
 
     final PyType typeFromStub = TypeEvalContext.codeInsightFallback(myFixture.getProject()).getType(attribute);
     doTestNamedTuple(expectedName, expectedFieldsNames, expectedFieldsTypes, typeFromStub);
-    //assertNotParsed(file); remove comment after PY-18816 will be fixed
+    assertNotParsed(file);
 
     final FileASTNode astNode = file.getNode();
     assertNotNull(astNode);