diff --git a/assets/js/suggestions.js b/assets/js/suggestions.js
index 2091ec692..b2f98d794 100644
--- a/assets/js/suggestions.js
+++ b/assets/js/suggestions.js
@@ -11,7 +11,7 @@ function resetSuggestions() {
   selectedSuggestion = -1;
 }
 
-searchbox.addEventListener("input", function () {
+searchbox?.addEventListener("input", function () {
   // If there is already a request in progress,
   // abort. The user has made another input,
   // invalidating the old query.
@@ -19,13 +19,6 @@ searchbox.addEventListener("input", function () {
     suggestionController.abort();
   }
 
-  // Only continue for queries of at least
-  // one character.
-  if (searchbox.value.length < 2) {
-    resetSuggestions();
-    return;
-  }
-
   // Only make a request for suggestions after
   // there is a delay of at least 150 milliseconds
   // between inputs.
@@ -36,6 +29,13 @@ searchbox.addEventListener("input", function () {
       return;
     }
 
+    // Only continue for queries of at least
+    // one character.
+    if (searchbox.value.length < 2) {
+      resetSuggestions();
+      return;
+    }
+
     // Create the controller which will be
     // used to abort this request if another
     // is made before it finishes.
@@ -74,7 +74,7 @@ searchbox.addEventListener("input", function () {
   }, 150);
 });
 
-searchbox.addEventListener("keydown", function (e) {
+searchbox?.addEventListener("keydown", function (e) {
   const currentSuggestions = suggestions.children;
 
   // Navigate suggestions by key.