diff --git a/VisualEditor.hooks.php b/VisualEditor.hooks.php
index 07e5b9d3ab..d4df34b9d1 100644
--- a/VisualEditor.hooks.php
+++ b/VisualEditor.hooks.php
@@ -46,9 +46,7 @@ class VisualEditorHooks {
 	 */
 	public static function onContentHandlerDefaultModelFor( Title $title, &$model ) {
 		$messages = array(
-			// FIXME: This is valid JSON, but JsonContent.php in MediaWiki doesn't think it is, so
-			// until that's fixed (T86270) we won't set this as the correct content type just yet.
-			// 'Visualeditor-cite-tool-definition.json',
+			'Visualeditor-cite-tool-definition.json',
 			'Visualeditor-specialcharinspector-characterlist-insert'
 		);