diff --git a/lignumis/prototypes/compatibility/any-planet-start-final.lua b/lignumis/prototypes/compatibility/any-planet-start-final.lua
index 668cc66..072dfbe 100644
--- a/lignumis/prototypes/compatibility/any-planet-start-final.lua
+++ b/lignumis/prototypes/compatibility/any-planet-start-final.lua
@@ -7,7 +7,8 @@ local target_planet = settings.startup["aps-planet"].value
 if target_planet == "none" or target_planet == "nauvis" then return end
 
 -- Switch planet discovery technology to the new planet
-Technology:new("planet-discovery-" .. target_planet)
+local planet_discovery = data.raw.technology["planet-discovery-" .. target_planet] or data.raw.technology["moon-discovery-" .. target_planet]
+Technology:new(planet_discovery)
     :assign({
         enabled = true,
         hidden = false
diff --git a/lignumis/prototypes/compatibility/any-planet-start.lua b/lignumis/prototypes/compatibility/any-planet-start.lua
index 6bb4f27..ee57775 100644
--- a/lignumis/prototypes/compatibility/any-planet-start.lua
+++ b/lignumis/prototypes/compatibility/any-planet-start.lua
@@ -10,7 +10,8 @@ Technology:new("tree-seeding"):setPrerequisites({ "wood-science-pack" })
 
 
 -- Switch planet discovery technology to the new planet
-Technology:new("planet-discovery-" .. target_planet)
+local planet_discovery = data.raw.technology["planet-discovery-" .. target_planet] or data.raw.technology["moon-discovery-" .. target_planet]
+Technology:new(planet_discovery)
     :assign({
         enabled = true,
         hidden = false,
@@ -24,8 +25,8 @@ Technology:new("planet-discovery-" .. target_planet)
         }
     })
     :setPrerequisites({ "provisional-rocketry" })
-Technology:new("iron-processing"):replacePrerequisite("planet-discovery-nauvis", "planet-discovery-" .. target_planet)
-Technology:new("copper-processing"):replacePrerequisite("planet-discovery-nauvis", "planet-discovery-" .. target_planet)
+Technology:new("iron-processing"):replacePrerequisite("planet-discovery-nauvis", planet_discovery.name)
+Technology:new("copper-processing"):replacePrerequisite("planet-discovery-nauvis", planet_discovery.name)
 
 
 -- Vulcanus