diff --git a/deps/greasyfork/linkedin.user.js b/deps/greasyfork/linkedin.user.js
index 55a9dc5..f8234b2 100644
--- a/deps/greasyfork/linkedin.user.js
+++ b/deps/greasyfork/linkedin.user.js
@@ -33,10 +33,12 @@ class Linkedin {
   }
 
   listener_add() {
+    let self = this;
+
     return VM.observe(
       document.body,
       () => {
-        document_on_changed();
+        self.document_on_changed();
       }
     );
   }