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-rw-r--r--scene/3d/mesh_instance_3d.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/scene/3d/mesh_instance_3d.cpp b/scene/3d/mesh_instance_3d.cpp
index 7b3a0820f1..b997c64b29 100644
--- a/scene/3d/mesh_instance_3d.cpp
+++ b/scene/3d/mesh_instance_3d.cpp
@@ -319,6 +319,7 @@ Ref<Material> MeshInstance3D::get_active_material(int p_surface) const {
}
void MeshInstance3D::_mesh_changed() {
+ ERR_FAIL_COND(mesh.is_null());
materials.resize(mesh->get_surface_count());
}