diff --git a/docs/js/main.js b/docs/js/main.js
index e57b9f47ac..531d6e9d48 100644
--- a/docs/js/main.js
+++ b/docs/js/main.js
@@ -28,7 +28,7 @@ function pageload() {
     advancedSearch.className = "advancedsearch"
 
     simpleSearch = document.getElementById("simplesearch")
-    simplesearch.addEventListener("submit", advancedsearch)
+    simpleSearch.addEventListener("submit", advancedsearch)
 }
 
 function advancedsearch(e) {