diff --git a/src/system/libroot/os/arch/x86/syscalls.inc b/src/system/libroot/os/arch/x86/syscalls.inc
index 030b6413bf..8ad899b903 100644
--- a/src/system/libroot/os/arch/x86/syscalls.inc
+++ b/src/system/libroot/os/arch/x86/syscalls.inc
@@ -41,4 +41,8 @@ name: \
 #define SYSCALL14(name, n) _SYSCALL(name, n)
 #define SYSCALL15(name, n) _SYSCALL(name, n)
 #define SYSCALL16(name, n) _SYSCALL(name, n)
+#define SYSCALL17(name, n) _SYSCALL(name, n)
+#define SYSCALL18(name, n) _SYSCALL(name, n)
+#define SYSCALL19(name, n) _SYSCALL(name, n)
+#define SYSCALL20(name, n) _SYSCALL(name, n)