diff --git a/data-util.lua b/data-util.lua
index ddf7a5d..f608af9 100644
--- a/data-util.lua
+++ b/data-util.lua
@@ -99,7 +99,7 @@ if get_setting("bz-recipe-bypass") then
 end
 
 function util.is_foundry()
-  return mods.bzfoundry and not me.get_setting("bzfoundry-minimal")
+  return mods.bzfoundry2 and not me.get_setting("bzfoundry-minimal")
 end
 
 function should_force(options)
diff --git a/prototypes/gyro.lua b/prototypes/gyro.lua
index 5fed8de..364120d 100644
--- a/prototypes/gyro.lua
+++ b/prototypes/gyro.lua
@@ -9,11 +9,11 @@ gyro_ingredients = {  -- outputs 4
   util.item(silicon, 4)}
 
 gyro_prereqs = {util.me.silicon_processing}
-if mods.bzcarbon then
+if mods["bzcarbon2"] then
   table.insert(gyro_ingredients, util.item("diamond", 1))
   table.insert(gyro_prereqs, "diamond-processing")
 end
-if mods.bztungsten and not mods["space-age"] then
+if mods.bztungsten2 and not mods["space-age"] then
   table.insert(gyro_ingredients, util.item("tungsten-plate", 1))
   table.insert(gyro_prereqs, "tungsten-processing")
 elseif mods.bztitanium and data.raw.item["titanium-plate"] then