diff --git a/accessible/ipc/win/ProxyAccessible.h b/accessible/ipc/win/ProxyAccessible.h
index cc0f1429807bd..c8e5a43b1f8f3 100644
--- a/accessible/ipc/win/ProxyAccessible.h
+++ b/accessible/ipc/win/ProxyAccessible.h
@@ -43,7 +43,7 @@ class ProxyAccessible : public ProxyAccessibleBase<ProxyAccessible>
 protected:
   explicit ProxyAccessible(DocAccessibleParent* aThisAsDoc)
     : ProxyAccessibleBase(aThisAsDoc)
-  { MOZ_COUNT_CTOR(ProxyAccessibleBase); }
+  { MOZ_COUNT_CTOR(ProxyAccessible); }
 
   void SetCOMInterface(const RefPtr<IAccessible>& aIAccessible)
   { mCOMProxy = aIAccessible; }
diff --git a/accessible/tests/mochitest/jsat/a11y.ini b/accessible/tests/mochitest/jsat/a11y.ini
index 2ed052d46f699..5acc3df907b5d 100644
--- a/accessible/tests/mochitest/jsat/a11y.ini
+++ b/accessible/tests/mochitest/jsat/a11y.ini
@@ -9,7 +9,7 @@ support-files =
   doc_content_text.html
   !/accessible/tests/mochitest/*.js
   !/accessible/tests/mochitest/moz.png
-skip-if = os == 'win'
+skip-if = (os == 'win' && (os_version == '5.1' || os_version == '5.2'))
 
 [test_alive.html]
 [test_content_integration.html]