diff --git a/src/net.cpp b/src/net.cpp
index 020e04828..fa3fec7cc 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1712,7 +1712,7 @@ void ThreadMnbRequestConnections()
 
         CNode* pnode = NULL;
         {
-            LOCK(cs_vNodes);
+            LOCK2(cs_main, cs_vNodes);
             pnode = ConnectNode(CAddress(p.first), NULL, true);
             if(!pnode) continue;
             pnode->AddRef();