diff --git a/accessible/windows/ia2/ia2Accessible.cpp b/accessible/windows/ia2/ia2Accessible.cpp
index fe17a1d2b1e8..c31543a8f3e9 100644
--- a/accessible/windows/ia2/ia2Accessible.cpp
+++ b/accessible/windows/ia2/ia2Accessible.cpp
@@ -46,6 +46,8 @@ ia2Accessible::QueryInterface(REFIID iid, void** ppv)
     *ppv = static_cast<IAccessible2_3*>(this);
   else if (IID_IAccessible2_2 == iid)
     *ppv = static_cast<IAccessible2_2*>(this);
+  else if (IID_IAccessible2 == iid)
+    *ppv = static_cast<IAccessible2*>(this);
 
   if (*ppv) {
     (reinterpret_cast<IUnknown*>(*ppv))->AddRef();