diff --git a/SysBuild/multimedia/qjackctl b/SysBuild/multimedia/qjackctl
index b27eb36..723daab 100644
--- a/SysBuild/multimedia/qjackctl
+++ b/SysBuild/multimedia/qjackctl
@@ -86,7 +86,7 @@ mk() {
 	./configure --libdir=\${prefix}/${LIBDIR} \
 		    --prefix=/usr/X11R7 \
 		    --with-qt=/opt/qt-4
-	make -j $NUMCPU
+	make 
 	make DESTDIR=$TMPROOT install
 }