diff --git a/dGame/dComponents/AchievementVendorComponent.cpp b/dGame/dComponents/AchievementVendorComponent.cpp
index 16d165a24..10a0ca29d 100644
--- a/dGame/dComponents/AchievementVendorComponent.cpp
+++ b/dGame/dComponents/AchievementVendorComponent.cpp
@@ -9,7 +9,7 @@
 #include "UserManager.h"
 #include "CDMissionsTable.h"
 
-bool AchievementVendorComponent::SellsItem(Entity* buyer, const LOT lot) const {
+bool AchievementVendorComponent::SellsItem(Entity* buyer, const LOT lot) {
 	auto* missionComponent = buyer->GetComponent<MissionComponent>();
 	if (!missionComponent) return false;
 
diff --git a/dGame/dComponents/AchievementVendorComponent.h b/dGame/dComponents/AchievementVendorComponent.h
index 5b919ad98..bffd39836 100644
--- a/dGame/dComponents/AchievementVendorComponent.h
+++ b/dGame/dComponents/AchievementVendorComponent.h
@@ -3,6 +3,8 @@
 
 #include "VendorComponent.h"
 #include "eReplicaComponentType.h"
+#include <set>
+#include <map>
 
 class Entity;
 
@@ -10,7 +12,7 @@ class AchievementVendorComponent final : public VendorComponent {
 public:
 	static constexpr eReplicaComponentType ComponentType = eReplicaComponentType::ACHIEVEMENT_VENDOR;
 	AchievementVendorComponent(Entity* parent) : VendorComponent(parent) {};
-	bool SellsItem(Entity* buyer, const LOT lot) const;
+	bool SellsItem(Entity* buyer, const LOT lot);
 	void Buy(Entity* buyer, LOT lot, uint32_t count);
 
 private: