diff --git a/Kernel/API/POSIX/sys/socket.h b/Kernel/API/POSIX/sys/socket.h
index ffb33dbc22..e4cdf828d6 100644
--- a/Kernel/API/POSIX/sys/socket.h
+++ b/Kernel/API/POSIX/sys/socket.h
@@ -31,6 +31,8 @@ extern "C" {
 #define SOCK_STREAM 1
 #define SOCK_DGRAM 2
 #define SOCK_RAW 3
+#define SOCK_RDM 4
+#define SOCK_SEQPACKET 5
 #define SOCK_NONBLOCK 04000
 #define SOCK_CLOEXEC 02000000