diff --git a/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations1.ts b/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations1.ts
index c9ca4afb18d..4daf27b53e4 100644
--- a/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations1.ts
+++ b/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations1.ts
@@ -6,6 +6,7 @@ class B extends A {}
 abstract class C extends B {}
 
 new A;
+new A(1); // should report 1 error
 new B;
 new C;