1 files changed, 2 insertions, 0 deletions
diff --git a/source/blender/editors/physics/particle_edit_undo.c b/source/blender/editors/physics/particle_edit_undo.c
index d1a2bb31454..bc9a90b5b3f 100644
--- a/source/blender/editors/physics/particle_edit_undo.c
+++ b/source/blender/editors/physics/particle_edit_undo.c
@@ -212,6 +212,7 @@ static bool particle_undosys_poll(struct bContext *C)
   Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
   Scene *scene = CTX_data_scene(C);
   ViewLayer *view_layer = CTX_data_view_layer(C);
+  BKE_view_layer_synced_ensure(scene, view_layer);
   Object *ob = BKE_view_layer_active_object_get(view_layer);
   PTCacheEdit *edit = PE_get_current(depsgraph, scene, ob);
 
@@ -226,6 +227,7 @@ static bool particle_undosys_step_encode(struct bContext *C,
   ParticleUndoStep *us = (ParticleUndoStep *)us_p;
   ViewLayer *view_layer = CTX_data_view_layer(C);
   us->scene_ref.ptr = CTX_data_scene(C);
+  BKE_view_layer_synced_ensure(us->scene_ref.ptr, view_layer);
   us->object_ref.ptr = BKE_view_layer_active_object_get(view_layer);
   PTCacheEdit *edit = PE_get_current(depsgraph, us->scene_ref.ptr, us->object_ref.ptr);
   undoptcache_from_editcache(&us->data, edit);