diff --git a/sys/tools/makesyscalls.lua b/sys/tools/makesyscalls.lua
--- a/sys/tools/makesyscalls.lua
+++ b/sys/tools/makesyscalls.lua
@@ -227,6 +227,7 @@
 		{ stdcompat = "FREEBSD11" },
 		{ stdcompat = "FREEBSD12" },
 		{ stdcompat = "FREEBSD13" },
+		{ stdcompat = "FREEBSD14" },
 	},
 }