diff --git a/diagnostic/server.js b/diagnostic/server.js
index 146656a..740e33b 100644
--- a/diagnostic/server.js
+++ b/diagnostic/server.js
@@ -492,8 +492,10 @@ function connectRVS(forcePlain) {
       const msg = JSON.parse(raw.toString());
       if (msg.type === "chat" && msg.payload) {
         const sender = msg.payload.sender || "?";
+        // Eigene Nachrichten ignorieren (Echo)
+        if (sender === "diagnostic") return;
         log("info", "rvs", `Chat von ${sender}: "${(msg.payload.text || "").slice(0, 100)}"`);
-        if (pipelineActive && sender !== "diagnostic") {
+        if (pipelineActive) {
           pipelineEnd(true, `Antwort via RVS von ${sender}: "${(msg.payload.text || "").slice(0, 120)}"`);
         }
         broadcast({ type: "rvs_chat", msg });