diff --git a/lignumis/scripts/to-nauvis.lua b/lignumis/scripts/to-nauvis.lua
index 5d3d432..0e8a553 100644
--- a/lignumis/scripts/to-nauvis.lua
+++ b/lignumis/scripts/to-nauvis.lua
@@ -73,10 +73,12 @@ local function transit_player(player_index)
     -- Give the player the content of the rocket
     if transition.rocket_entry.rocket_content then
         local inventory = player.get_main_inventory()
-        for _, item in pairs(transition.rocket_entry.rocket_content) do
-            inventory.insert(item)
+        if inventory then
+            for _, item in pairs(transition.rocket_entry.rocket_content) do
+                inventory.insert(item)
+            end
+            inventory.sort_and_merge()
         end
-        inventory.sort_and_merge()
     end
     table.remove(storage.rocket_silos, transition.rocket_entry_index)
 end