diff --git a/.travis.yml b/.travis.yml
index 3127549..451711e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,16 +2,13 @@ language: shell
 os: linux
 dist: trusty
 script:
-- export FILE_NAME=openHAB-$TRAVIS_BRANCH-syno-noarch-0.001.spk
-- echo $FILE_NAME
-- chmod a+x scripts/*
-- tar cf $FILE_NAME * --exclude=*.md --exclude=.travis.*  --owner=0 --group=0 --numeric-owner
+- OPENHAB_VERSION=$TRAVIS_BRANCH ./build.sh
 deploy:
   skip_cleanup: true
   provider: releases
   api_key:
     secure: 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
-  file: $FILE_NAME
+  file: openHAB-$TRAVIS_BRANCH-syno-noarch-0.001.spk
   on:
     tags: true
     repo: openhab/openhab-syno-spk
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..8f418af
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,18 @@
+#!/bin/bash -eux
+
+[[ -z "${OPENHAB_VERSION:-}" ]] && echo "OPENHAB_VERSION is not set!" && exit 1
+
+FILE_NAME=openHAB-${OPENHAB_VERSION}-syno-noarch-0.001.spk
+echo ${FILE_NAME}
+
+rm -f ${FILE_NAME}
+
+tar cf ${FILE_NAME} \
+    --exclude=build.sh \
+    --exclude=.git* \
+    --exclude=\*.md \
+    --exclude=.travis.\* \
+    --owner=0 \
+    --group=0 \
+    --numeric-owner \
+    *
diff --git a/scripts/installer.sh b/scripts/installer.sh
old mode 100644
new mode 100755
diff --git a/scripts/postinst b/scripts/postinst
old mode 100644
new mode 100755
diff --git a/scripts/postuninst b/scripts/postuninst
old mode 100644
new mode 100755
diff --git a/scripts/postupgrade b/scripts/postupgrade
old mode 100644
new mode 100755
diff --git a/scripts/preinst b/scripts/preinst
old mode 100644
new mode 100755
diff --git a/scripts/preuninst b/scripts/preuninst
old mode 100644
new mode 100755
diff --git a/scripts/preupgrade b/scripts/preupgrade
old mode 100644
new mode 100755
diff --git a/scripts/restore b/scripts/restore
old mode 100644
new mode 100755
diff --git a/scripts/start-stop-status b/scripts/start-stop-status
old mode 100644
new mode 100755
diff --git a/scripts/start-stop-status.sh b/scripts/start-stop-status.sh
old mode 100644
new mode 100755