diff --git a/ui/redux/selectors/content.js b/ui/redux/selectors/content.js
index 7512ea308..de77e0947 100644
--- a/ui/redux/selectors/content.js
+++ b/ui/redux/selectors/content.js
@@ -176,7 +176,7 @@ export const makeSelectIsText = (uri: string) =>
   createSelector(
     makeSelectMediaTypeForUri(uri),
     mediaType => {
-      const isText = ['document', 'script'].includes(mediaType);
+      const isText = ['text', 'document', 'script'].includes(mediaType);
       return isText;
     }
   );