diff --git a/src/pages/compute/containers/Instance/actions/ManageSecurityGroup.jsx b/src/pages/compute/containers/Instance/actions/ManageSecurityGroup.jsx
index 068dace7..d02bfc3d 100644
--- a/src/pages/compute/containers/Instance/actions/ManageSecurityGroup.jsx
+++ b/src/pages/compute/containers/Instance/actions/ManageSecurityGroup.jsx
@@ -136,6 +136,7 @@ export class ManageSecurityGroup extends ModalAction {
         isLoading: this.portStore.list.isLoading,
         isMulti: false,
         onChange: this.onPortChange,
+        disabledFunc: (record) => !record.port_security_enabled,
         filterParams: [
           {
             label: t('Owned Network'),