diff --git a/Makefile b/Makefile
index 0224884..4ad5dfc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 server: main.o func.o
-	gcc main.o func.o -o server -nostdlib
+	gcc main.o func.o -o server -nostdlib -static
 
 main.o: main.S
 	gcc -c main.S
diff --git a/main.S b/main.S
index 36fae61..bf2b27d 100644
--- a/main.S
+++ b/main.S
@@ -1,5 +1,6 @@
 .code64
 #include <asm/unistd.h>
+#define _LINUX_POSIX_TYPES_H
 #include <asm/socket.h>
 
 #define	STDIN	0