diff --git a/frontend/src/pages/Subscribers/components/SubscriberModal.js b/frontend/src/pages/Subscribers/components/SubscriberModal.js
index af5f85afa9c9b5c9e4ada09439627626f3ff2f37..70be613b870e8d6ea1d0a2e98ed3d20f833a8009 100644
--- a/frontend/src/pages/Subscribers/components/SubscriberModal.js
+++ b/frontend/src/pages/Subscribers/components/SubscriberModal.js
@@ -306,6 +306,9 @@ class SubscriberModal extends Component {
 
   onSubmitClick(result) {
     const formData = result.formData;
+    formData["sliceConfigurations"].forEach(slice => {
+      slice["snssai"]["sd"] = slice["snssai"]["sd"].toLowerCase()
+    })
     const OP = formData["OPOPcSelect"] === "OP" ? formData["OPOPc"] : "";
     const OPc = formData["OPOPcSelect"] === "OPc" ? formData["OPOPc"] : "";