diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java
index d44b8d4..f2b1e20 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java
@@ -15,8 +15,11 @@
  */
 package org.onosproject.openstacknetworking.cli;
 
-import org.apache.karaf.shell.console.Completer;
-import org.apache.karaf.shell.console.completer.StringsCompleter;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.console.CommandLine;
+import org.apache.karaf.shell.api.console.Completer;
+import org.apache.karaf.shell.api.console.Session;
+import org.apache.karaf.shell.support.completers.StringsCompleter;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.openstacknetworking.api.OpenstackNetworkService;
 import org.openstack4j.model.network.Port;
@@ -32,10 +35,11 @@
 /**
  * Direct port completer.
  */
+@Service
 public class DirectPortListCompleter implements Completer {
 
     @Override
-    public int complete(String buffer, int cursor, List<String> candidates) {
+    public int complete(Session session, CommandLine commandLine, List<String> candidates) {
         StringsCompleter delegate = new StringsCompleter();
         OpenstackNetworkService osNetService = AbstractShellCommand.get(OpenstackNetworkService.class);
         Set<String> set = osNetService.ports().stream()
@@ -49,6 +53,6 @@
         while (it.hasNext()) {
             strings.add(it.next().toString());
         }
-        return delegate.complete(buffer, cursor, candidates);
+        return delegate.complete(session, commandLine, candidates);
     }
 }