diff --git a/mitmproxy/optmanager.py b/mitmproxy/optmanager.py index 06e696c01..6e187b0de 100644 --- a/mitmproxy/optmanager.py +++ b/mitmproxy/optmanager.py @@ -320,7 +320,9 @@ class OptManager: update = {} for optname, optval in self.deferred.items(): if optname in self._options: - update[optname] = self.parse_setval(self._options[optname], optval) + if isinstance(optval, str): + optval = self.parse_setval(self._options[optname], optval) + update[optname] = optval self.update(**update) for k in update.keys(): del self.deferred[k]