diff --git a/Packages/src/Runtime/UIParticleRenderer.cs b/Packages/src/Runtime/UIParticleRenderer.cs
index a428b66..56d60bf 100644
--- a/Packages/src/Runtime/UIParticleRenderer.cs
+++ b/Packages/src/Runtime/UIParticleRenderer.cs
@@ -514,7 +514,8 @@ private Vector3 GetWorldScale()
             var scale = _parent.scale3DForCalc.GetScaled(_parent.parentScale);
 
             if (_parent.autoScalingMode == UIParticle.AutoScalingMode.UIParticle
-                && _particleSystem.main.scalingMode == ParticleSystemScalingMode.Local)
+                && _particleSystem.main.scalingMode == ParticleSystemScalingMode.Local
+                && _parent.canvas)
             {
                 scale = scale.GetScaled(_parent.canvas.transform.localScale);
             }