diff --git a/tools/build-debian.sh b/tools/build-debian.sh
index eb5afa799..1469612ae 100755
--- a/tools/build-debian.sh
+++ b/tools/build-debian.sh
@@ -247,7 +247,7 @@ echo " - Updating changelog: ${DEB_NAME} ${DEB_VERSION} (${DCH_DISTRO}, ${DCH_UR
 DEBFULLNAME="${PACKAGER_NAME}" DEBEMAIL="${PACKAGER_EMAIL}" dch "${DCH_CREATE}" --package "${DEB_NAME}" --newversion "${DEB_VERSION}" --distribution "${DCH_DISTRO}" --urgency "${DCH_URGENCY}" "${DCH_CHANGELOG}"
 
 # build packages (without debug symbols)
-DEB_BUILD_OPTIONS="noddebs" dpkg-buildpackage -us -uc -j${JOBS} --source-option="--tar-ignore=.git" --source-option="--tar-ignore=build*"
+DEB_BUILD_OPTIONS="noddebs" dpkg-buildpackage -us -uc --jobs="${JOBS}" --source-option="--tar-ignore=.git" --source-option="--tar-ignore=build*"
 
 # all OK!
 echo " - Build OK [${DEB_NAME}-${DEB_VERSION}]"