diff --git a/scripts/deleteDPN.sh b/scripts/deleteDPN.sh
index f210b60..6633e47 100755
--- a/scripts/deleteDPN.sh
+++ b/scripts/deleteDPN.sh
@@ -1,3 +1,8 @@
 #!/bin/bash
-curl -X DELETE -u onos:rocks 'http://localhost:8181/onos/restconf/data/ietf-dmm-fpcagent:tenants/tenant=default/fpc-topology/dpns=1'
-./getTenants.sh
+if [ "$#" -eq 1 ]; then
+    echo ""
+	curl -X DELETE -u onos:rocks 'http://localhost:8181/onos/restconf/data/ietf-dmm-fpcagent:tenants/tenant=default/fpc-topology/dpns='$1
+	./getTenants.sh
+else
+    echo "usage: "$0" dpnId"
+fi
\ No newline at end of file