diff --git a/include/sys/socket.h b/include/sys/socket.h
index c385b21a4c544da2da6d31eceba29fa63a2ac665..d6cba7c6009562a047083f3d4fb7e0f4373ff118 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -194,6 +194,7 @@ struct linger
 #define SO_PEEK_OFF             42
 #define SO_NOFCS                43
 #define SO_LOCK_FILTER          44
+#define SO_SELECT_ERR_QUEUE     45
 
 #ifndef SOL_SOCKET
 #define SOL_SOCKET      1