diff --git a/opt.d/build-nginx-on-debian.sh b/opt.d/build-nginx-on-debian.sh
index a5f0b08..fbd39d7 100755
--- a/opt.d/build-nginx-on-debian.sh
+++ b/opt.d/build-nginx-on-debian.sh
@@ -56,7 +56,7 @@ cd $luadir || exit 1
 
 make DESTDIR=$opt_dir install || exit 1
 
-cd $ngxdir || exit 1
+cd .. || exit 1
 
 # get mods