diff --git a/frontend/index.html b/frontend/index.html
index e6dcf4f..f864f86 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -6,7 +6,7 @@
     <link
       id="theme-link"
       rel="stylesheet"
-      href="themes/lara-light-blue/theme.css"
+      href="/themes/lara-light-blue/theme.css"
     />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>HTWKalender</title>