diff --git a/build.sh b/build.sh
index d513134..8f167df 100755
--- a/build.sh
+++ b/build.sh
@@ -4,18 +4,7 @@
 
 set -e
 UNAME=$(uname)
-
-if [ "$UNAME" == "Linux" ] ; then
-    JOBS=$(nproc)
-elif [ "$UNAME" == "FreeBSD" ] ; then
-    JOBS=$(nproc)
-elif [ "$UNAME" == "Darwin" ] ; then
-    JOBS=$(sysctl -n hw.ncpu)
-else
-    JOBS=1
-fi
-
-VERSION=$(cat src/version.h |cut -d\" -f2)
+VERSION=$(grep APP_VERSION src/version.h |cut -d\" -f2)
 CONF=${SDCONF:-silentdragon.pro}
 WALLET="SilentDragon"
 if [ "$CONF" == "silentdragonx.pro" ] ; then
@@ -40,12 +29,12 @@ make --version
 
 qbuild () {
    qmake $CONF -spec linux-clang CONFIG+=debug
-   make -j$JOBS
+   make -j2 "$@"
 }
 
 qbuild_release () {
    qmake $CONF -spec linux-clang CONFIG+=release
-   make -j$JOBS
+   make -j2 "$@"
 }
 
 if [ "$1" == "clean" ]; then
@@ -55,9 +44,9 @@ elif [ "$1" == "linguist" ]; then
     lrelease $CONF
 elif [ "$1" == "cleanbuild" ]; then
    make clean
-   qbuild
+   qbuild "$@"
 elif [ "$1" == "release" ]; then
-   qbuild_release
+   qbuild_release "$@"
 else
-   qbuild
+   qbuild "$@"
 fi