diff --git a/src/network/tcp_socket_handler.hpp b/src/network/tcp_socket_handler.hpp
index c25ad83..6d4bbe4 100644
--- a/src/network/tcp_socket_handler.hpp
+++ b/src/network/tcp_socket_handler.hpp
@@ -7,6 +7,7 @@
 
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <netinet/in.h>
 #include <netdb.h>
 
 #include <utility>