diff --git a/main.go b/main.go
index fb04bf9..42ac90f 100644
--- a/main.go
+++ b/main.go
@@ -86,10 +86,10 @@ func main() {
 	model := mgl32.Ident4()
 	controls := fpscontrols.Get(10, 10, mgl32.Vec3{0, 0, -10}, mgl32.Vec2{0, 0}, window)
 
-	demoMaterial := am.GetAsset[material.Material](assetManager, "assets/material/demo")
-	screenMaterial := am.GetAsset[material.Material](assetManager, "assets/material/screen")
+	demoMaterial := am.GetAsset[material.Material]("assets/material/demo")
+	screenMaterial := am.GetAsset[material.Material]("assets/material/screen-debug")
 
-	teapot := am.GetAsset[geometry.Geometry](assetManager, "assets/geometry/teapot")
+	teapot := am.GetAsset[geometry.Geometry]("assets/geometry/teapot")
 
 	for !window.ShouldClose() {
 		glfw.PollEvents()
diff --git a/utils/assetmanager/assetmanager.go b/utils/assetmanager/assetmanager.go
index a611ade..abaf921 100644
--- a/utils/assetmanager/assetmanager.go
+++ b/utils/assetmanager/assetmanager.go
@@ -131,8 +131,8 @@ func Get() *AssetManager {
 	return instance
 }
 
-func GetAsset[T asset.Asset](a *AssetManager, name string) *T {
-	value, ok := a.assets[name].(T)
+func GetAsset[T asset.Asset](name string) *T {
+	value, ok := instance.assets[name].(T)
 	if !ok {
 		return nil
 	}