diff --git a/source/blender/blenkernel/intern/subdiv_mesh.c b/source/blender/blenkernel/intern/subdiv_mesh.c
index 75e05f8ffab..3325af5b138 100644
--- a/source/blender/blenkernel/intern/subdiv_mesh.c
+++ b/source/blender/blenkernel/intern/subdiv_mesh.c
@@ -1186,6 +1186,7 @@ Mesh *BKE_subdiv_to_mesh(Subdiv *subdiv,
   if (!subdiv_context.can_evaluate_normals) {
     result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
   }
+  result->runtime.is_subdiv_mesh = true;
   /* Free used memoty. */
   subdiv_mesh_context_free(&subdiv_context);
   return result;
diff --git a/source/blender/makesdna/DNA_mesh_types.h b/source/blender/makesdna/DNA_mesh_types.h
index 8a9a69ac178..cb7daa426a5 100644
--- a/source/blender/makesdna/DNA_mesh_types.h
+++ b/source/blender/makesdna/DNA_mesh_types.h
@@ -87,7 +87,9 @@ typedef struct Mesh_Runtime {
   struct SubdivCCG *subdiv_ccg;
   void *_pad1;
   int subdiv_ccg_tot_level;
-  char _pad2[4];
+  /* Mesh is a result of subdivision surface, which created real mesh elements for the surface. */
+  char is_subdiv_mesh;
+  char _pad2[3];
 
   int64_t cd_dirty_vert;
   int64_t cd_dirty_edge;