diff --git a/src/turn/turn_transport.cpp b/src/turn/turn_transport.cpp
index 3ed4015..75525ff 100644
--- a/src/turn/turn_transport.cpp
+++ b/src/turn/turn_transport.cpp
@@ -147,7 +147,8 @@
 }
 
 TurnTransport::TurnTransport(const TurnTransportParams& params, std::function<void(bool)>&& cb, const std::shared_ptr<Logger>& logger)
-    : pimpl_ {new Impl(std::move(cb), logger)}
+    : pjInitLock_()
+    , pimpl_ {new Impl(std::move(cb), logger)}
 {
     auto server = params.server;
     if (!server.getPort())