diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 85516fe..208663e 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -42,7 +42,7 @@
 #define SOCK_PACKET      10
 
 #ifdef __i386__
-# define __socketcall extern __cdecl
+# define __socketcall extern __attribute__((__cdecl__))
 #else
 # define __socketcall extern
 #endif