1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
index 2f2e05d410e..70a6875f1c0 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
@@ -63,6 +63,7 @@
 #include "DNA_rigidbody_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_sequence_types.h"
+#include "DNA_simulation_types.h"
 #include "DNA_sound_types.h"
 
 #include "DRW_engine.h"
@@ -709,6 +710,13 @@ void update_modifiers_orig_pointers(const Object *object_orig, Object *object_co
       &object_orig->modifiers, &object_cow->modifiers, &ModifierData::orig_modifier_data);
 }
 
+void update_simulation_states_orig_pointers(const Simulation *simulation_orig,
+                                            Simulation *simulation_cow)
+{
+  update_list_orig_pointers(
+      &simulation_orig->states, &simulation_cow->states, &SimulationState::orig_state);
+}
+
 void update_nla_strips_orig_pointers(const ListBase *strips_orig, ListBase *strips_cow)
 {
   NlaStrip *strip_orig = reinterpret_cast<NlaStrip *>(strips_orig->first);
@@ -808,6 +816,12 @@ void update_id_after_copy(const Depsgraph *depsgraph,
       update_scene_orig_pointers(scene_orig, scene_cow);
       break;
     }
+    case ID_SIM: {
+      Simulation *simulation_cow = (Simulation *)id_cow;
+      const Simulation *simulation_orig = (const Simulation *)id_orig;
+      update_simulation_states_orig_pointers(simulation_orig, simulation_cow);
+      break;
+    }
     default:
       break;
   }