diff --git a/management/univention-management-console/src/univention/management/console/protocol/server.py b/management/univention-management-console/src/univention/management/console/protocol/server.py
index f3c4669..694e4c6 100644
--- a/management/univention-management-console/src/univention/management/console/protocol/server.py
+++ b/management/univention-management-console/src/univention/management/console/protocol/server.py
@@ -204,6 +204,8 @@ def _response(self, msg, state):
 				if not state.resend_queue:
 					notifier.socket_add(state.socket, self._do_send, notifier.IO_WRITE)
 				state.resend_queue.append((msg.id, data[ret:]))
+			else:
+				del state.requests[msg.id]
 		except (SSL.WantReadError, SSL.WantWriteError, SSL.WantX509LookupError):
 			CRYPT.info('UMCP: SSL error need to re-send chunk')
 			notifier.socket_add(state.socket, self._do_send, notifier.IO_WRITE)