diff --git a/api/src/org/apache/cloudstack/api/command/admin/network/ListNetworkIsolationMethodsCmd.java b/api/src/org/apache/cloudstack/api/command/admin/network/ListNetworkIsolationMethodsCmd.java
index 7eef22a78b4..0d23fd67557 100644
--- a/api/src/org/apache/cloudstack/api/command/admin/network/ListNetworkIsolationMethodsCmd.java
+++ b/api/src/org/apache/cloudstack/api/command/admin/network/ListNetworkIsolationMethodsCmd.java
@@ -44,7 +44,7 @@ public class ListNetworkIsolationMethodsCmd extends BaseListCmd{
                 isolationResponses.add(isolationMethod);
             }
         }
-        response.setResponses(isolationResponses, methods.length);
+        response.setResponses(isolationResponses, isolationResponses.size());
         response.setResponseName(getCommandName());
         this.setResponseObject(response);