diff --git a/directory.js b/directory.js
index 2cc6cd4..1c9b04b 100644
--- a/directory.js
+++ b/directory.js
@@ -55,7 +55,7 @@ function extractIDs(url) {
 }
 
 function generateCard(student, col) {
-  const url = `https://online.uni-graz.at/kfu_online/pl/ui/$ctx/wbstudkart.wbShowImage?pOrgNr=${student.ids.org}&pStPersonNr=${student.ids.perso}&pType=U`
+  const url = `/kfu_online/pl/ui/$ctx/wbstudkart.wbShowImage?pOrgNr=${student.ids.org}&pStPersonNr=${student.ids.perso}&pType=U`
 
   const d = document.createElement("div");
   d.style.gridColumn = "auto";