diff --git a/package.json b/package.json
index 44beaf1..cf1bf41 100644
--- a/package.json
+++ b/package.json
@@ -239,7 +239,7 @@
         },
         {
           "command": "cowriting.openReviewPreview",
-          "when": "editorLangId == markdown",
+          "when": "resourceLangId == markdown",
           "group": "navigation@9"
         }
       ],