diff --git a/src/company_base.h b/src/company_base.h
index f106f11a60..cdaca96dc4 100644
--- a/src/company_base.h
+++ b/src/company_base.h
@@ -123,7 +123,7 @@ struct CompanyProperties {
 };
 
 struct Company : CompanyProperties, CompanyPool::PoolItem<&_company_pool> {
-	Company(StringID name_1 = STR_NULL, bool is_ai = false);
+	Company(StringID name_1 = {}, bool is_ai = false);
 	~Company();
 
 	RailTypes avail_railtypes{}; ///< Rail types available to this company.