diff --git a/src/internal/syscall.h b/src/internal/syscall.h
index 7381efea..8eebe71e 100644
--- a/src/internal/syscall.h
+++ b/src/internal/syscall.h
@@ -19,7 +19,7 @@ long __syscall_ret(unsigned long), __syscall(long, ...),
 #define __syscall7(n,a,b,c,d,e,f,g) (__syscall)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f),(long)g)
 
 #define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n
-#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0)
+#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0,)
 #define __SYSCALL_CONCAT_X(a,b) a##b
 #define __SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT_X(a,b)
 #define __SYSCALL_DISP(b,...) __SYSCALL_CONCAT(b,__SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__)