diff --git a/code/entities/cursed_book.lua b/code/entities/cursed_book.lua
index b4494ef..a949260 100644
--- a/code/entities/cursed_book.lua
+++ b/code/entities/cursed_book.lua
@@ -28,7 +28,7 @@ function CursedBook:new(x,y)
 
 	-- light
 	o.light_range = 500
-	o.light = Light:new(o.pos.x,o.pos.y,o.light_range,2,HEX2RGB("#fe00d1"))
+	o.light = Light:new(o.pos.x,o.pos.y,o.light_range,2,hex2rgb("#fe00d1"))
 
 	o:id()
 
@@ -42,7 +42,7 @@ function CursedBook:doLogic()
 	self.target.y = main_player.pos.y - main_player.target_offset.y
 	local distance_x = self.target.x - self.pos.x
 	local distance_y = self.target.y - self.pos.y
-	local angle = GetAngleFromVector(distance_x,distance_y)
+	local angle = getAngleFromVector(distance_x,distance_y)
 	local distance = math.sqrt(distance_x ^ 2 + distance_y ^ 2)
 
 	if self.status == 0 then