diff --git a/docs/compile/build_howto_unix.txt b/docs/compile/build_howto_unix.txt
index b2e7fec..75c3244 100644
--- a/docs/compile/build_howto_unix.txt
+++ b/docs/compile/build_howto_unix.txt
@@ -14,4 +14,4 @@ make -C /opt/zapret2
 OpenBSD :
 
 pkg_add luajit gmake bsd
-gmake -C /opt/zapret2
+gmake -C /opt/zapret2 bsd