diff --git a/backend/src/main/kotlin/observer/nelle/nelleObserverBackend/plugins/Client.kt b/backend/src/main/kotlin/observer/nelle/nelleObserverBackend/plugins/Client.kt
index eca7989..4019616 100644
--- a/backend/src/main/kotlin/observer/nelle/nelleObserverBackend/plugins/Client.kt
+++ b/backend/src/main/kotlin/observer/nelle/nelleObserverBackend/plugins/Client.kt
@@ -42,7 +42,12 @@ suspend fun ntfyMsg(
     click: String,
 ) {
     val message: HttpResponse =
-        client.post("https://" + endpoint) {
+        client.post(
+            buildString {
+                append("https://")
+                append(endpoint)
+            },
+        ) {
             headers {
                 append("Title", title)
                 append("Attach", attach)