diff --git a/data/lt/function/main/tick_runner.mcfunction b/data/lt/function/main/tick_runner.mcfunction
index 4f471f37..e766be82 100644
--- a/data/lt/function/main/tick_runner.mcfunction
+++ b/data/lt/function/main/tick_runner.mcfunction
@@ -55,7 +55,7 @@ function lt:world_games/parkour/on_second
 function lt:world_games/dropper/on_tick
 
 # Build Mode Tools
-execute in tropicraft:tropics as @a[tag=building,tag=!given_tools,current_world=true] at @s if data entity @s ForgeData.PlayerPersisted.gamemodebuild{active:1b} run function lt:utility/buildmode/give_tools
+execute in tropicraft:tropics as @a[tag=building,tag=!given_tools,current_world=true] at @s if data entity @s NeoForgeData.PlayerPersisted.gamemodebuild{active:1b} run function lt:utility/buildmode/give_tools
 
 # Make interaction blocker invisible
 execute in tropicraft:tropics run effect give @e[type=slime,tag=interact_blocker] invisibility infinite 1 true
diff --git a/data/lt/function/utility/buildmode/checker.mcfunction b/data/lt/function/utility/buildmode/checker.mcfunction
index 603978e6..1b279b4b 100644
--- a/data/lt/function/utility/buildmode/checker.mcfunction
+++ b/data/lt/function/utility/buildmode/checker.mcfunction
@@ -1,3 +1,3 @@
-execute if entity @s[tag=building] if data entity @s ForgeData.PlayerPersisted.gamemodebuild{active:0b} run tellraw @s {"text":"lt.build.mode.inside.message","color":"green"}
+execute if entity @s[tag=building] if data entity @s NeoForgeData.PlayerPersisted.gamemodebuild{active:0b} run tellraw @s {"text":"lt.build.mode.inside.message","color":"green"}
 execute if entity @s[tag=!building] run tellraw @s {"translate":"lt.build.mode.outside.message","color":"green"}
-execute as @s[tag=building] at @s if data entity @s ForgeData.PlayerPersisted.gamemodebuild{active:1b} run function lt:utility/buildmode/give_tools
\ No newline at end of file
+execute as @s[tag=building] at @s if data entity @s NeoForgeData.PlayerPersisted.gamemodebuild{active:1b} run function lt:utility/buildmode/give_tools