diff --git a/src/jamidht/conversation.cpp b/src/jamidht/conversation.cpp
index ca6aee47c312b179aeba71ba4b601f8d9fcbbe1d..f8ec18291757a31390d13f81e7730c23556e7aa7 100644
--- a/src/jamidht/conversation.cpp
+++ b/src/jamidht/conversation.cpp
@@ -1382,7 +1382,7 @@ Conversation::shutdownConnections()
     pimpl_->gitSocketList_.clear();
     if (pimpl_->swarmManager_)
         pimpl_->swarmManager_->shutdown();
-    std::lock_guard(pimpl_->membersMtx_);
+    std::lock_guard lk(pimpl_->membersMtx_);
     pimpl_->checkedMembers_.clear();
 }