1 files changed, 3 insertions, 1 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc
index f8a9bfd2ed1..9651301cb34 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc
@@ -17,6 +17,7 @@
 #include "DNA_mesh_types.h"
 
 #include "BKE_lib_id.h"
+#include "BKE_material.h"
 #include "BKE_mesh.h"
 
 #include "bmesh.h"
@@ -35,7 +36,7 @@ static bNodeSocketTemplate geo_node_mesh_primitive_cube_out[] = {
 
 namespace blender::nodes {
 
-static Mesh *create_cube_mesh(const float size)
+Mesh *create_cube_mesh(const float size)
 {
   const float4x4 transform = float4x4::identity();
 
@@ -53,6 +54,7 @@ static Mesh *create_cube_mesh(const float size)
   BMeshToMeshParams params{};
   params.calc_object_remap = false;
   Mesh *mesh = (Mesh *)BKE_id_new_nomain(ID_ME, nullptr);
+  BKE_id_material_eval_ensure_default_slot(&mesh->id);
   BM_mesh_bm_to_me(nullptr, bm, mesh, &params);
   BM_mesh_free(bm);