diff --git a/src/module/dw.hpp b/src/module/dw.hpp
index 4df1ee3..dfe7335 100644
--- a/src/module/dw.hpp
+++ b/src/module/dw.hpp
@@ -25,7 +25,7 @@ namespace demonware
 			return server;
 		}
 
-		static std::shared_ptr<stun_server> register_stun_server(std::string name)
+		static std::shared_ptr<stun_server> register_stun_server(const std::string& name)
 		{
 			std::lock_guard _(server_mutex_);
 			auto server = std::make_shared<stun_server>(name);
diff --git a/src/utils/string.hpp b/src/utils/string.hpp
index c51f2b6..d7776d4 100644
--- a/src/utils/string.hpp
+++ b/src/utils/string.hpp
@@ -39,7 +39,7 @@ namespace utils::string
 		class entry final
 		{
 		public:
-			explicit entry(size_t _size = MinBufferSize) : size(_size), buffer(nullptr)
+			explicit entry(const size_t _size = MinBufferSize) : size(_size), buffer(nullptr)
 			{
 				if (this->size < MinBufferSize) this->size = MinBufferSize;
 				this->allocate();