diff --git a/include/rtsp_manager.hpp b/include/rtsp_manager.hpp
index 9bae6c5..767ba2d 100644
--- a/include/rtsp_manager.hpp
+++ b/include/rtsp_manager.hpp
@@ -7,6 +7,7 @@
 #include <unordered_map>
 #include <string>
 #include <mutex>
+#include <condition_variable>
 #include <vector>
 
 class RTSPManager
diff --git a/src/rtsp_manager.cpp b/src/rtsp_manager.cpp
index e8347e2..0ae2183 100644
--- a/src/rtsp_manager.cpp
+++ b/src/rtsp_manager.cpp
@@ -15,6 +15,9 @@ std::unordered_map<std::string, GstRTSPMediaFactory *> RTSPManager::mounted_fact
 std::mutex RTSPManager::mounted_factories_mutex;
 std::unordered_map<std::string, std::vector<GstRTSPMedia *>> RTSPManager::media_map;
 std::mutex RTSPManager::media_map_mutex;
+std::mutex RTSPManager::stop_mutex;
+std::condition_variable RTSPManager::stop_cv;
+std::unordered_map<std::string, int> RTSPManager::stopping_count;
 
 void RTSPManager::init()
 {