1 files changed, 6 insertions, 0 deletions
diff --git a/dom/base/Element.cpp b/dom/base/Element.cpp
index 9ced64c0d..8b9808aa3 100644
--- a/dom/base/Element.cpp
+++ b/dom/base/Element.cpp
@@ -183,6 +183,12 @@ Element::DoGetClasses() const
 NS_IMETHODIMP
 Element::QueryInterface(REFNSIID aIID, void** aInstancePtr)
 {
+  if (aIID.Equals(NS_GET_IID(Element))) {
+    NS_ADDREF_THIS();
+    *aInstancePtr = this;
+    return NS_OK;
+  }
+
   NS_ASSERTION(aInstancePtr,
                "QueryInterface requires a non-NULL destination!");
   nsresult rv = FragmentOrElement::QueryInterface(aIID, aInstancePtr);