diff --git a/src/newgrf_text.h b/src/newgrf_text.h
--- a/src/newgrf_text.h
+++ b/src/newgrf_text.h
@@ -57,8 +57,8 @@ struct LanguageMap {
 	 * the genders/cases/plural OpenTTD IDs to the NewGRF's internal IDs. In this
 	 * case a NewGRF developer/translator might want a different translation for
 	 * both cases. Thus we are basically implementing a multi-map. */
-	SmallVector<Mapping, 1> gender_map; ///< Mapping of NewGRF and OpenTTD IDs for genders.
-	SmallVector<Mapping, 1> case_map;   ///< Mapping of NewGRF and OpenTTD IDs for cases.
+	std::vector<Mapping> gender_map; ///< Mapping of NewGRF and OpenTTD IDs for genders.
+	std::vector<Mapping> case_map;   ///< Mapping of NewGRF and OpenTTD IDs for cases.
 	int plural_form;                    ///< The plural form used for this language.
 
 	int GetMapping(int newgrf_id, bool gender) const;