diff --git a/leenkx/Sources/iron/object/ParticleSystem.hx b/leenkx/Sources/iron/object/ParticleSystem.hx
index 2f20990..5c94f08 100644
--- a/leenkx/Sources/iron/object/ParticleSystem.hx
+++ b/leenkx/Sources/iron/object/ParticleSystem.hx
@@ -149,7 +149,7 @@ class ParticleSystem {
 		// GPU particles transform is attached to owner object
 	}
 
-	function setupGeomGpu(object: MeshObject, owner: MeshObject) {
+	public function setupGeomGpu(object: MeshObject, owner: MeshObject) {
 		var instancedData = new Float32Array(particles.length * 6);
 		var i = 0;