diff --git a/src/renderers/get-user-name.ts b/src/renderers/get-user-name.ts
new file mode 100644
index 0000000000..acd5e6626d
--- /dev/null
+++ b/src/renderers/get-user-name.ts
@@ -0,0 +1,5 @@
+import { IUser } from '../models/user';
+
+export default function(user: IUser): string {
+	return user.name || '名無し';
+}