1 files changed, 2 insertions, 0 deletions
diff --git a/source/blender/draw/intern/draw_cache.c b/source/blender/draw/intern/draw_cache.c
index 19d6557c34a..67700a4274f 100644
--- a/source/blender/draw/intern/draw_cache.c
+++ b/source/blender/draw/intern/draw_cache.c
@@ -960,6 +960,8 @@ int DRW_cache_object_material_count_get(struct Object *ob)
       return DRW_pointcloud_material_count_get(ob->data);
     case OB_VOLUME:
       return DRW_volume_material_count_get(ob->data);
+    case OB_GPENCIL:
+      return DRW_gpencil_material_count_get(ob->data);
     default:
       BLI_assert(0);
       return 0;