diff --git a/src/world/World.hpp b/src/world/World.hpp
index fcd0fcac..61e92cfc 100644
--- a/src/world/World.hpp
+++ b/src/world/World.hpp
@@ -58,7 +58,7 @@ class World {
     const Content* const content;
     std::vector<ContentPack> packs;
 
-    int64_t nextInventoryId = 0;
+    int64_t nextInventoryId = 1;
 
     void writeResources(const Content* content);
 public: