diff --git a/cli/src/main/java/org/onosproject/cli/net/RegionListCommand.java b/cli/src/main/java/org/onosproject/cli/net/RegionListCommand.java
index e959d3e..ab0065b 100644
--- a/cli/src/main/java/org/onosproject/cli/net/RegionListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/RegionListCommand.java
@@ -17,6 +17,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Completion;
 import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.utils.Comparators;
@@ -42,6 +43,7 @@
 
     @Argument(index = 0, name = "id", description = "Region ID",
             required = false, multiValued = false)
+    @Completion(RegionIdCompleter.class)
     String id = null;
 
     private RegionService regionService;