diff --git a/Source/townerdat.hpp b/Source/townerdat.hpp
index 2b76465a5..948ac885b 100644
--- a/Source/townerdat.hpp
+++ b/Source/townerdat.hpp
@@ -15,6 +15,7 @@
 #include "objdat.h"
 #include "textdat.h"
 #include "towners.h"
+#include "utils/attributes.h"
 
 namespace devilution {
 
@@ -35,7 +36,7 @@ struct TownerDataEntry {
 };
 
 /** Contains the data for all towners loaded from TSV. */
-extern std::vector<TownerDataEntry> TownersDataEntries;
+extern DVL_API_FOR_TEST std::vector<TownerDataEntry> TownersDataEntries;
 
 /** Contains the quest dialog table loaded from TSV. Indexed by [towner_type][quest_id]. */
 extern std::unordered_map<_talker_id, std::array<_speech_id, MAXQUESTS>> TownerQuestDialogTable;
diff --git a/Source/towners.h b/Source/towners.h
index 026de3dc2..8cbf7916d 100644
--- a/Source/towners.h
+++ b/Source/towners.h
@@ -19,6 +19,7 @@
 #include "levels/dun_tile.hpp"
 #include "player.h"
 #include "quests.h"
+#include "utils/attributes.h"
 
 namespace devilution {
 
@@ -41,7 +42,7 @@ enum _talker_id : uint8_t {
 };
 
 // Runtime mappings built from TSV data
-extern std::unordered_map<_talker_id, std::string> TownerLongNames; // Maps towner type enum to display name
+extern DVL_API_FOR_TEST std::unordered_map<_talker_id, std::string> TownerLongNames; // Maps towner type enum to display name
 
 struct Towner {
 	OptionalOwnedClxSpriteList ownedAnim;