diff --git a/tests/UTF16/UTF16.Tests.cs b/tests/UTF16/UTF16.Tests.cs
index c9f1a2ed..8f5221bf 100644
--- a/tests/UTF16/UTF16.Tests.cs
+++ b/tests/UTF16/UTF16.Tests.cs
@@ -15,6 +15,5 @@ public class UTF16Tests
 
         // TODO: move this, it has nothing to do with Unicode, it's here only not to break the CLI branch
         Assert.That(foo[0], Is.EqualTo(5));
-        Assert.That(foo.OperatorSubscript(0), Is.EqualTo(IntPtr.Zero));
     }
 }
diff --git a/tests/UTF16/UTF16.cpp b/tests/UTF16/UTF16.cpp
index ed65b3d8..1e7ee0ca 100644
--- a/tests/UTF16/UTF16.cpp
+++ b/tests/UTF16/UTF16.cpp
@@ -6,7 +6,7 @@ int Foo::operator[](int i) const
     return 5;
 }
 
-char* Foo::operator[](int i)
+int Foo::operator[](int i)
 {
-    return 0;
+    return 5;
 }
\ No newline at end of file
diff --git a/tests/UTF16/UTF16.h b/tests/UTF16/UTF16.h
index 16f29e28..6893aabc 100644
--- a/tests/UTF16/UTF16.h
+++ b/tests/UTF16/UTF16.h
@@ -11,7 +11,7 @@ public:
 
     // TODO: move this, it has nothing to do with Unicode, it's here only not to break the CLI branch
     int operator[](int i) const;
-    char* operator[](int i);
+    int operator[](int i);
 };
 
 DLL_API int FooCallFoo(Foo* foo);