diff --git a/editor/base/nsHTMLEditor.cpp b/editor/base/nsHTMLEditor.cpp
index 97d0b61c608..dd2782877bc 100644
--- a/editor/base/nsHTMLEditor.cpp
+++ b/editor/base/nsHTMLEditor.cpp
@@ -1758,7 +1758,7 @@ nsHTMLEditor::GetSelectedElement(const nsString& aTagName, nsIDOMElement** aRetu
                   if (image)
                   {
                     nsCOMPtr<nsIDOMNode> parent;
-                    nsCOMPtr<nsIDOMNode> current = selectedElement; 
+                    nsCOMPtr<nsIDOMNode> current = do_QueryInterface(selectedElement); 
                     PRBool notDone = PR_TRUE;
                     do {
                       result = current->GetParentNode(getter_AddRefs(parent));
diff --git a/editor/libeditor/html/nsHTMLEditor.cpp b/editor/libeditor/html/nsHTMLEditor.cpp
index 97d0b61c608..dd2782877bc 100644
--- a/editor/libeditor/html/nsHTMLEditor.cpp
+++ b/editor/libeditor/html/nsHTMLEditor.cpp
@@ -1758,7 +1758,7 @@ nsHTMLEditor::GetSelectedElement(const nsString& aTagName, nsIDOMElement** aRetu
                   if (image)
                   {
                     nsCOMPtr<nsIDOMNode> parent;
-                    nsCOMPtr<nsIDOMNode> current = selectedElement; 
+                    nsCOMPtr<nsIDOMNode> current = do_QueryInterface(selectedElement); 
                     PRBool notDone = PR_TRUE;
                     do {
                       result = current->GetParentNode(getter_AddRefs(parent));