diff --git a/src/kademlia/node.cpp b/src/kademlia/node.cpp
index c0d0fa784..3ce5a48a8 100644
--- a/src/kademlia/node.cpp
+++ b/src/kademlia/node.cpp
@@ -427,6 +427,7 @@ namespace
 
 void node_impl::status(session_status& s)
 {
+	mutex_t::scoped_lock l(m_mutex);
 	s.active_requests.clear();
 	for (std::set<traversal_algorithm*>::iterator i = m_running_requests.begin()
 		, end(m_running_requests.end()); i != end; ++i)