diff --git a/assets/js/section-search.js b/assets/js/section-search.js
index 9cae78d5..17e2ae67 100644
--- a/assets/js/section-search.js
+++ b/assets/js/section-search.js
@@ -1,14 +1,21 @@
+function normalize(input) {
+  return input
+    .toUpperCase()
+    .normalize("NFD")
+    .replace(/[\u0300-\u036f\s]/gu, "");
+}
+
 function searchSection(inputId, sectionId) {
   // Declare variables
   let input, filter, section, name_a, articles;
   input = document.getElementById(inputId);
-  filter = input.value.toUpperCase();
+  filter = normalize(input.value);
   section = document.getElementById(sectionId);
   articles = section.getElementsByClassName("toggleWrapper");
   for (i = 0; i < articles.length; i++) {
     name_a = articles[i].getElementsByTagName("a")[0];
     txtValue = name_a.textContent || name_a.innerText;
-    if (txtValue.toUpperCase().indexOf(filter) > -1) {
+    if (normalize(txtValue).indexOf(filter) > -1) {
       articles[i].classList.remove("hidden");
     } else {
       articles[i].classList.add("hidden");