diff --git a/public/js/lib/editor/index.js b/public/js/lib/editor/index.js
index 65b34a68e..da2aafe2d 100644
--- a/public/js/lib/editor/index.js
+++ b/public/js/lib/editor/index.js
@@ -1,3 +1,4 @@
+/* global CodeMirror, inlineAttachment, editor, Cookies  */
 import '@hedgedoc/codemirror-5/addon/comment/comment.js'
 import '@hedgedoc/codemirror-5/addon/comment/continuecomment.js'
 import '@hedgedoc/codemirror-5/addon/dialog/dialog.js'
diff --git a/public/js/lib/editor/utils.js b/public/js/lib/editor/utils.js
index 3d799267a..657ca2f49 100644
--- a/public/js/lib/editor/utils.js
+++ b/public/js/lib/editor/utils.js
@@ -1,3 +1,4 @@
+/* global CodeMirror, editor  */
 const wrapSymbols = ['*', '_', '~', '^', '+', '=']
 
 export function wrapTextWith (editor, cm, symbol) {