diff --git a/rhodecode/lib/hooks_daemon.py b/rhodecode/lib/hooks_daemon.py
--- a/rhodecode/lib/hooks_daemon.py
+++ b/rhodecode/lib/hooks_daemon.py
@@ -153,19 +153,20 @@ class HttpHooksCallbackDaemon(ThreadedHo
     POLL_INTERVAL = 0.01
 
     def _prepare(self, txn_id=None, host=None, port=None):
+
         host = host or '127.0.0.1'
         self._done = False
-        self._daemon = TCPServer((host, port or 0), HooksHttpHandler)
-        _, port = self._daemon.server_address
         self.hooks_uri = '{}:{}'.format(host, port)
         self.txn_id = txn_id
         # inject transaction_id for later verification
         self._daemon.txn_id = self.txn_id
-
         log.debug(
             "Preparing HTTP callback daemon at `%s` and registering hook object",
             self.hooks_uri)
 
+        self._daemon = TCPServer((host, port or 0), HooksHttpHandler)
+        _, port = self._daemon.server_address
+
     def _run(self):
         log.debug("Running event loop of callback daemon in background thread")
         callback_thread = threading.Thread(