diff --git a/src/rtmp_manager.cpp b/src/rtmp_manager.cpp
index 816f2a1..27fdf36 100644
--- a/src/rtmp_manager.cpp
+++ b/src/rtmp_manager.cpp
@@ -196,7 +196,7 @@ void RTMPManager::start_camera(const Camera &cam, StreamType type)
     ctx.running = true;
     ctx.thread = std::thread([cam, type]()
                              { stream_loop(cam, type); });
-    streams[key] = std::move(ctx);
+    streams.emplace(key, std::move(ctx));
 }
 
 void RTMPManager::stop_camera(const std::string &cam_name, StreamType type)