diff --git a/lib/dispatch.ts b/lib/dispatch.ts
index 80f7b79..f2f68f7 100644
--- a/lib/dispatch.ts
+++ b/lib/dispatch.ts
@@ -68,7 +68,11 @@ function extractTagValue(tags: string[], prefix: string) {
 }
 
 function truncateOutput(output: string, maxLength = 4000) {
-  const trimmed = output.trim();
+  const trimmed = output
+    .split("\n")
+    .filter((line) => !line.startsWith("Warning: Permanently added "))
+    .join("\n")
+    .trim();
   if (trimmed.length <= maxLength) {
     return trimmed;
   }