diff --git a/lib/kafs/afssysdefs.h b/lib/kafs/afssysdefs.h
index 4dfeefb6c..6a2a1d298 100644
--- a/lib/kafs/afssysdefs.h
+++ b/lib/kafs/afssysdefs.h
@@ -39,3 +39,7 @@
 */
 #define SIGSYS SIGILL
 #endif /* __linux */
+
+#if defined(__NetBSD__)
+#define AFS_SYSCALL 210
+#endif