diff --git a/diagnostic/server.js b/diagnostic/server.js
index 1580e63..146656a 100644
--- a/diagnostic/server.js
+++ b/diagnostic/server.js
@@ -562,6 +562,8 @@ function sendToRVS(text, isPipeline) {
       const resp = JSON.parse(raw.toString());
       if (resp.type === "chat" && resp.payload) {
         const sender = resp.payload.sender || "?";
+        // Eigene Nachrichten nicht nochmal anzeigen (Echo von RVS)
+        if (sender === "diagnostic") return;
         log("info", "rvs", `Chat von ${sender}: "${(resp.payload.text || "").slice(0, 100)}"`);
         if (pipelineActive && sender !== "diagnostic") {
           pipelineEnd(true, `Antwort via RVS von ${sender}: "${(resp.payload.text || "").slice(0, 120)}"`);