3 files changed, 9 insertions, 5 deletions
diff --git a/intern/cycles/blender/blender_object.cpp b/intern/cycles/blender/blender_object.cpp
index 95da4a2df84..4b1c4edef7e 100644
--- a/intern/cycles/blender/blender_object.cpp
+++ b/intern/cycles/blender/blender_object.cpp
@@ -104,23 +104,22 @@ void BlenderSync::sync_object_motion_init(BL::Object &b_parent, BL::Object &b_ob
   array<Transform> motion;
   object->set_motion(motion);
 
-  Scene::MotionType need_motion = scene->need_motion();
-  if (need_motion == Scene::MOTION_NONE || !object->get_geometry()) {
+  Geometry *geom = object->get_geometry();
+  if (!geom) {
     return;
   }
 
-  Geometry *geom = object->get_geometry();
-
   int motion_steps = 0;
   bool use_motion_blur = false;
 
+  Scene::MotionType need_motion = scene->need_motion();
   if (need_motion == Scene::MOTION_BLUR) {
     motion_steps = object_motion_steps(b_parent, b_ob, Object::MAX_MOTION_STEPS);
     if (motion_steps && object_use_deform_motion(b_parent, b_ob)) {
       use_motion_blur = true;
     }
   }
-  else {
+  else if (need_motion != Scene::MOTION_NONE) {
     motion_steps = 3;
   }
 
diff --git a/intern/cycles/render/hair.cpp b/intern/cycles/render/hair.cpp
index e104455f7dd..e757e3fd3e0 100644
--- a/intern/cycles/render/hair.cpp
+++ b/intern/cycles/render/hair.cpp
@@ -441,6 +441,9 @@ void Hair::apply_transform(const Transform &tfm, const bool apply_to_motion)
     curve_radius[i] = radius;
   }
 
+  tag_curve_keys_modified();
+  tag_curve_radius_modified();
+
   if (apply_to_motion) {
     Attribute *curve_attr = attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
 
diff --git a/intern/cycles/render/mesh.cpp b/intern/cycles/render/mesh.cpp
index 2ecea3101db..9c93f6f881c 100644
--- a/intern/cycles/render/mesh.cpp
+++ b/intern/cycles/render/mesh.cpp
@@ -508,6 +508,8 @@ void Mesh::apply_transform(const Transform &tfm, const bool apply_to_motion)
   for (size_t i = 0; i < verts.size(); i++)
     verts[i] = transform_point(&tfm, verts[i]);
 
+  tag_verts_modified();
+
   if (apply_to_motion) {
     Attribute *attr = attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);