diff --git a/web/roles/role-actions-menu.react.js b/web/roles/role-actions-menu.react.js
index 7b7d17f8f..ddca38da9 100644
--- a/web/roles/role-actions-menu.react.js
+++ b/web/roles/role-actions-menu.react.js
@@ -1,117 +1,120 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 
 import { useModalContext } from 'lib/components/modal-provider.react.js';
 import SWMansionIcon from 'lib/components/swmansion-icon.react.js';
-import { useRoleUserSurfacedPermissions } from 'lib/shared/thread-utils.js';
+import {
+  roleIsDefaultRole,
+  useRoleUserSurfacedPermissions,
+} from 'lib/shared/thread-utils.js';
 import type { ThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js';
 import { useRoleDeletableAndEditableStatus } from 'lib/utils/role-utils.js';
 
 import CreateRolesModal from './create-roles-modal.react.js';
 import DeleteRoleModal from './delete-role-modal.react.js';
 import css from './role-actions-menu.css';
 import MenuItem from '../components/menu-item.react.js';
 import Menu from '../components/menu.react.js';
 
 const menuIcon = <SWMansionIcon icon="menu-horizontal" size={20} />;
 
 type RoleActionsMenuProps = {
   +threadInfo: ThreadInfo,
   +roleName: string,
 };
 
 function RoleActionsMenu(props: RoleActionsMenuProps): React.Node {
   const { threadInfo, roleName } = props;
   const { pushModal } = useModalContext();
 
-  const defaultRoleID = Object.keys(threadInfo.roles).find(
-    roleID => threadInfo.roles[roleID].isDefault,
+  const defaultRoleID = Object.keys(threadInfo.roles).find(roleID =>
+    roleIsDefaultRole(threadInfo.roles[roleID]),
   );
   invariant(defaultRoleID, 'default role should exist');
 
   const existingRoleID = Object.keys(threadInfo.roles).find(
     roleID => threadInfo.roles[roleID].name === roleName,
   );
   invariant(existingRoleID, 'existing role should exist');
 
   const roleOptions = useRoleDeletableAndEditableStatus(
     roleName,
     defaultRoleID,
     existingRoleID,
   );
 
   const roleNamesToUserSurfacedPermissions =
     useRoleUserSurfacedPermissions(threadInfo);
 
   const openEditRoleModal = React.useCallback(
     () =>
       pushModal(
         <CreateRolesModal
           threadInfo={threadInfo}
           action="edit_role"
           existingRoleID={existingRoleID}
           roleName={roleName}
           rolePermissions={roleNamesToUserSurfacedPermissions[roleName]}
         />,
       ),
     [
       existingRoleID,
       pushModal,
       roleName,
       roleNamesToUserSurfacedPermissions,
       threadInfo,
     ],
   );
   const openDeleteRoleModal = React.useCallback(() => {
     pushModal(
       <DeleteRoleModal
         threadInfo={threadInfo}
         defaultRoleID={defaultRoleID}
         roleID={existingRoleID}
       />,
     );
   }, [existingRoleID, pushModal, threadInfo, defaultRoleID]);
 
   const menuItems = React.useMemo(() => {
     const availableOptions = [];
     const { isDeletable, isEditable } = roleOptions;
 
     if (isEditable) {
       availableOptions.push(
         <MenuItem
           key="Edit role"
           text="Edit role"
           icon="edit-1"
           onClick={openEditRoleModal}
           dangerous={false}
         />,
       );
     }
 
     if (isDeletable) {
       availableOptions.push(
         <MenuItem
           key="Delete role"
           text="Delete role"
           icon="cross-circle"
           onClick={openDeleteRoleModal}
           dangerous={true}
         />,
       );
     }
 
     return availableOptions;
   }, [roleOptions, openDeleteRoleModal, openEditRoleModal]);
 
   return (
     <div className={css.menuContainer}>
       <Menu icon={menuIcon} variant="role-actions">
         {menuItems}
       </Menu>
     </div>
   );
 }
 
 export default RoleActionsMenu;