diff --git a/web/main.js b/web/main.js
index 1d03787..b9de61c 100644
--- a/web/main.js
+++ b/web/main.js
@@ -13,7 +13,7 @@ window.onload = () => {
     let evtSource;
     let table = [];
 
-    let format_date = date => date.toLocaleDateString() + ' ' + date.toLocaleTimeString();
+    let format_date = date => date.toLocaleDateString("de-DE") + ' ' + date.toLocaleTimeString("de-DE");
 
     let print_table = () => {
         while(table_elem.children.length > 1) {