diff --git a/Source/Engine/Foliage/Foliage.cpp b/Source/Engine/Foliage/Foliage.cpp
index 7428a5a8b..fc6458272 100644
--- a/Source/Engine/Foliage/Foliage.cpp
+++ b/Source/Engine/Foliage/Foliage.cpp
@@ -909,7 +909,7 @@ void Foliage::RebuildClusters()
         _box = BoundingBox(_transform.Translation, _transform.Translation);
         _sphere = BoundingSphere(_transform.Translation, 0.0f);
         if (_sceneRenderingKey != -1)
-            GetSceneRendering()->UpdateActor(this, _sceneRenderingKey);
+            GetSceneRendering()->UpdateActor(this, _sceneRenderingKey, ISceneRenderingListener::Bounds);
         return;
     }
 
diff --git a/Source/Engine/Particles/ParticleEffect.cpp b/Source/Engine/Particles/ParticleEffect.cpp
index 5e11cb2d9..e0fc7ceb9 100644
--- a/Source/Engine/Particles/ParticleEffect.cpp
+++ b/Source/Engine/Particles/ParticleEffect.cpp
@@ -372,7 +372,7 @@ void ParticleEffect::UpdateBounds()
     _box = bounds;
     BoundingSphere::FromBox(bounds, _sphere);
     if (_sceneRenderingKey != -1)
-        GetSceneRendering()->UpdateActor(this, _sceneRenderingKey);
+        GetSceneRendering()->UpdateActor(this, _sceneRenderingKey, ISceneRenderingListener::Bounds);
 }
 
 void ParticleEffect::Sync()
diff --git a/Source/Engine/Renderer/ShadowsPass.cpp b/Source/Engine/Renderer/ShadowsPass.cpp
index da9f3909a..12848ed47 100644
--- a/Source/Engine/Renderer/ShadowsPass.cpp
+++ b/Source/Engine/Renderer/ShadowsPass.cpp
@@ -404,8 +404,17 @@ public:
         // Dirty static objects to redraw when changed (eg. material modification)
         if (a->HasStaticFlag(StaticFlags::Shadow))
         {
-            DirtyStaticBounds(prevBounds);
-            DirtyStaticBounds(a->GetSphere());
+            // TODO: skip actors that don't cast shadows (eg. particles)
+            BoundingSphere bounds = a->GetSphere();
+            if (bounds != prevBounds)
+            {
+                // Avoid dirtying twice when bounds are close to each other
+                if (BoundingSphere::NearEqual(bounds, prevBounds, METERS_TO_UNITS_SCALE))
+                    BoundingSphere::Merge(bounds, prevBounds, bounds);
+                else
+                    DirtyStaticBounds(prevBounds);
+            }
+            DirtyStaticBounds(bounds);
         }
         else if (flags & StaticFlags)
         {