diff --git a/server/proxy/modules/dyn-channel-dump/CMakeLists.txt b/server/proxy/modules/dyn-channel-dump/CMakeLists.txt
index 63671ac4c..ab5a73264 100644
--- a/server/proxy/modules/dyn-channel-dump/CMakeLists.txt
+++ b/server/proxy/modules/dyn-channel-dump/CMakeLists.txt
@@ -28,7 +28,7 @@ if (supported)
     set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
 endif()
 
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 add_library(${PROJECT_NAME} MODULE
diff --git a/server/proxy/modules/dyn-channel-dump/dyn-channel-dump.cpp b/server/proxy/modules/dyn-channel-dump/dyn-channel-dump.cpp
index 50adae96c..a56afe077 100644
--- a/server/proxy/modules/dyn-channel-dump/dyn-channel-dump.cpp
+++ b/server/proxy/modules/dyn-channel-dump/dyn-channel-dump.cpp
@@ -87,7 +87,7 @@ class ChannelData
 
 	bool add(const std::string& name, bool back)
 	{
-		std::lock_guard guard(_mux);
+		std::lock_guard<std::mutex> guard(_mux);
 		if (_map.find(name) == _map.end())
 		{
 			WLog_INFO(TAG, "adding '%s' to dump list", name.c_str());
@@ -98,7 +98,7 @@ class ChannelData
 
 	std::ofstream stream(const std::string& name, bool back)
 	{
-		std::lock_guard guard(_mux);
+		std::lock_guard<std::mutex> guard(_mux);
 		auto& atom = _map[name];
 		auto count = atom++;
 		auto path = filepath(name, back, count);