diff --git a/game/player_killer.tscn b/game/player_killer.tscn
index 6968496..1010045 100644
--- a/game/player_killer.tscn
+++ b/game/player_killer.tscn
@@ -1,3 +1,3 @@
 [gd_scene format=3 uid="uid://dpvsvsd8pcjqn"]
 
-[node name="PlayerKiller" type="Node"]
+[node name="PlayerKiller" type="Node" unique_id=1227774986]
diff --git a/project.godot b/project.godot
index 955ba08..7ddf51b 100644
--- a/project.godot
+++ b/project.godot
@@ -163,6 +163,10 @@ pause={
 2d_physics/layer_7="White enemy"
 2d_physics/layer_8="White player"
 
+[physics]
+
+common/physics_ticks_per_second=120
+
 [rendering]
 
 textures/canvas_textures/default_texture_filter=0