diff --git a/deploy/convert_server.py b/deploy/convert_server.py
index 702017f..be1d5de 100755
--- a/deploy/convert_server.py
+++ b/deploy/convert_server.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 """Contracts VM server — thin HTTP router. All logic in db/ and services/."""
 from http.server import HTTPServer, BaseHTTPRequestHandler
-from socketserver import ThreadingMixIn
+from socketserver import ThreadingMixIn, TCPServer
 from urllib.parse import urlparse, parse_qs
 import json, re, os
 
@@ -227,6 +227,7 @@ class Handler(BaseHTTPRequestHandler):
 
 if __name__ == "__main__":
     import os
+    TCPServer.allow_reuse_address = True
     port = int(os.environ.get("PORT", "8766"))
     server = ThreadingHTTPServer(("0.0.0.0", port), Handler)
     print(f"Contracts VM server on :{port}, db={DB_CONFIG['dbname']}")