diff --git a/frontend/main.ts b/frontend/main.ts
index 9d9bd2d..95adeee 100644
--- a/frontend/main.ts
+++ b/frontend/main.ts
@@ -5,6 +5,8 @@ document.addEventListener('DOMContentLoaded', function() {
   initSearch();
   initSidebar();
   initToggle();
+
+  replaceStrings();
 });
 
 function initToggle() {
@@ -217,3 +219,10 @@ function initTripSidebar(triggerElement: HTMLElement) {
     }
   }
 }
+
+function replaceStrings() {
+  const weekdays = document.querySelectorAll('.weekday-js');
+  Array.prototype.forEach.call(weekdays, (weekday: HTMLElement) => {
+    weekday.innerHTML = weekday.innerHTML.replace('Freitag', 'Markttag');
+  });
+}