diff --git a/main.ts b/main.ts
index fbd8345..0aa6fb4 100644
--- a/main.ts
+++ b/main.ts
@@ -71,7 +71,7 @@ object-src 'none'; base-uri 'none';"
         s = s.slice(0, -1);
 
         console.log(
-            `${req.ip.padEnd(24)} ${req.method.padStart(8)} ${req.path}${
+            `${(req.ip || "[unknown ip]").padEnd(24)} ${req.method.padStart(8)} ${req.path}${
                 s ? "?" + s : ""
             }`
         );