diff --git a/BoundingBoxes/Hurtbox.cs b/BoundingBoxes/Hurtbox.cs
index ca36c51..f9e6c4f 100644
--- a/BoundingBoxes/Hurtbox.cs
+++ b/BoundingBoxes/Hurtbox.cs
@@ -29,11 +29,14 @@ public partial class Hurtbox : BoundingBox, IFaction
         Vector2 knockbackOrigin = default,
         Vector2 knockbackVector = default)
     {
-        EmitSignal(
-            SignalName.ReceivedDamage,
-            damage,
-            inflictor,
-            knockback,
-            knockbackOrigin, knockbackVector);
+        if (inflictor is not null)
+        {
+            EmitSignal(
+                SignalName.ReceivedDamage,
+                damage,
+                inflictor,
+                knockback,
+                knockbackOrigin, knockbackVector);
+        }
     }
 }
diff --git a/SupaLidlGame.csproj b/SupaLidlGame.csproj
index 44aa4a6..e7f1627 100644
--- a/SupaLidlGame.csproj
+++ b/SupaLidlGame.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Godot.NET.Sdk/4.1.0-beta.1">
+<Project Sdk="Godot.NET.Sdk/4.1.0-dev">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <EnableDynamicLoading>true</EnableDynamicLoading>
diff --git a/project.godot b/project.godot
index e28b7f9..8bdfda5 100644
--- a/project.godot
+++ b/project.godot
@@ -47,13 +47,13 @@ ui_down={
 }
 roll={
 "deadzone": 0.5,
-"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":3,"canceled":false,"pressed":false,"double_click":false,"script":null)
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":3,"pressed":false,"double_click":false,"script":null)
 , Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":0,"echo":false,"script":null)
 ]
 }
 attack1={
 "deadzone": 0.5,
-"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"canceled":false,"pressed":false,"double_click":false,"script":null)
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"pressed":false,"double_click":false,"script":null)
 ]
 }
 equip={