diff --git a/source/game/StarInventoryTypes.hpp b/source/game/StarInventoryTypes.hpp
index a666f3f..f184d48 100644
--- a/source/game/StarInventoryTypes.hpp
+++ b/source/game/StarInventoryTypes.hpp
@@ -19,7 +19,7 @@ enum class EquipmentSlot : uint8_t {
 };
 extern EnumMap<EquipmentSlot> const EquipmentSlotNames;
 
-typedef pair<String, unsigned> BagSlot;
+typedef pair<String, uint8_t> BagSlot;
 
 strong_typedef(Empty, SwapSlot);
 strong_typedef(Empty, TrashSlot);
diff --git a/source/game/scripting/StarLuaGameConverters.cpp b/source/game/scripting/StarLuaGameConverters.cpp
index 94ac14b..e5f8811 100644
--- a/source/game/scripting/StarLuaGameConverters.cpp
+++ b/source/game/scripting/StarLuaGameConverters.cpp
@@ -31,7 +31,7 @@ Maybe<InventorySlot> LuaConverter<InventorySlot>::to(LuaEngine&, LuaValue const&
       return {};
   }
   else if (auto table = v.ptr<LuaTable>())
-    return {BagSlot(table->get<LuaString>(1).toString(), table->get<unsigned>(2))};
+    return {BagSlot(table->get<LuaString>(1).toString(), (uint8_t)table->get<unsigned>(2))};
   else
     return {};
 }