1 files changed, 2 insertions, 2 deletions
diff --git a/editor/libeditor/TextEditor.cpp b/editor/libeditor/TextEditor.cpp
index 545e3a3d1..3bee7843c 100644
--- a/editor/libeditor/TextEditor.cpp
+++ b/editor/libeditor/TextEditor.cpp
@@ -311,9 +311,9 @@ TextEditor::UpdateMetaCharset(nsIDOMDocument* aDocument,
     }
 
     // set attribute to <original prefix> charset=text/html
-    nsCOMPtr<nsIDOMElement> metaElement = do_QueryInterface(metaNode);
+    RefPtr<Element> metaElement = metaNode->AsElement();
     MOZ_ASSERT(metaElement);
-    rv = EditorBase::SetAttribute(metaElement, NS_LITERAL_STRING("content"),
+    rv = EditorBase::SetAttribute(metaElement, nsGkAtoms::content,
                                   Substring(originalStart, start) +
                                     charsetEquals +
                                     NS_ConvertASCIItoUTF16(aCharacterSet));