diff --git a/includes/easysock.hpp b/includes/easysock.hpp
index 16a6264..bc267ea 100644
--- a/includes/easysock.hpp
+++ b/includes/easysock.hpp
@@ -8,6 +8,7 @@
 	#include <sys/types.h>
 	#include <sys/socket.h>
 	#include <netdb.h>
+	#include <unistd.h>
 	#include <arpa/inet.h>
 #endif