diff --git a/source/blender/editors/physics/particle_object.cc b/source/blender/editors/physics/particle_object.cc
index 30a85f672cd..dccd4c04cc7 100644
--- a/source/blender/editors/physics/particle_object.cc
+++ b/source/blender/editors/physics/particle_object.cc
@@ -1012,6 +1012,7 @@ static void copy_particle_edit(Depsgraph *depsgraph,
   psys->edit = edit;
 
   edit->pathcache = nullptr;
+  edit->mirror_cache = nullptr;
   BLI_listbase_clear(&edit->pathcachebufs);
 
   edit->emitter_field = nullptr;