diff --git a/server_https.hpp b/server_https.hpp
index 6fe0f6f..309a5dd 100644
--- a/server_https.hpp
+++ b/server_https.hpp
@@ -14,12 +14,12 @@ namespace SimpleWeb {
         std::string session_id_context;
         bool set_session_id_context=false;
     public:
-        DEPRECATED Server(unsigned short port, size_t num_threads, const std::string& cert_file, const std::string& private_key_file,
+        DEPRECATED Server(unsigned short port, size_t thread_pool_size, const std::string& cert_file, const std::string& private_key_file,
                 long timeout_request=5, long timeout_content=300,
                 const std::string& verify_file=std::string()) : 
                 Server(cert_file, private_key_file, verify_file) {
             config.port=port;
-            config.thread_pool_size=num_threads;
+            config.thread_pool_size=thread_pool_size;
             config.timeout_request=timeout_request;
             config.timeout_content=timeout_content;
         }