diff --git a/tools/build/onos-package b/tools/build/onos-package
index 5500208..3ca4e6e 100755
--- a/tools/build/onos-package
+++ b/tools/build/onos-package
@@ -158,6 +158,11 @@
 # Bail on any errors
 set -e
 
+# Run karaf assembly to collect artifacts for off-line installations.
+aux=/tmp/assembly-$$.log
+trap "rm -f $aux 2>/dev/null" EXIT
+cd $ONOS_ROOT/tools/package/karaf-assembly && mvn clean install > $aux 2>&1
+
 # Before starting make sure the environment is clan - delete onos staging folder
 rm -fr $ONOS_STAGE