diff --git a/templates/index.html b/templates/index.html
index 96cb586..6d44de7 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -328,7 +328,7 @@
 
         function createCustomerLink(number) {
             const adjustedNumber = adjustCustomerNumber(number);
-            return `<a href="medisw:${adjustedNumber}" class="customer-link">${adjustedNumber}</a>`;
+            return `<a href="medisw:openkkbefe/P${adjustedNumber}?NetGrp=4" class="customer-link">${adjustedNumber}</a>`;
         }
 
         function showCopyFeedback() {