diff --git a/src/entities/behaviours/ErraticMovement.gd b/src/entities/behaviours/ErraticMovement.gd
index bfaa218..653fa5c 100644
--- a/src/entities/behaviours/ErraticMovement.gd
+++ b/src/entities/behaviours/ErraticMovement.gd
@@ -5,7 +5,12 @@ export var movement_per_second: float = 16.0
 
 
 onready var target: KinematicBody2D = get_parent()
-onready var rng = RandomNumberGenerator.new()
+var rng: RandomNumberGenerator
+
+
+func _ready():
+	rng = RandomNumberGenerator.new()
+	rng.randomize()
 
 
 func _physics_process(_delta):
diff --git a/src/entities/behaviours/SpriteRandomRotation.gd b/src/entities/behaviours/SpriteRandomRotation.gd
index af570cf..5a94ccb 100644
--- a/src/entities/behaviours/SpriteRandomRotation.gd
+++ b/src/entities/behaviours/SpriteRandomRotation.gd
@@ -1,11 +1,8 @@
 extends Sprite
 
-var rng : RandomNumberGenerator = RandomNumberGenerator.new()
+var rng: RandomNumberGenerator
 
 func _ready():
+	rng = RandomNumberGenerator.new()
 	rng.randomize()
-	self.rotate(rng.randf_range(0,360))
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-#func _process(delta):
-#	pass
+	self.rotate(rng.randf() * 2 * PI)