diff --git a/examples/006_filter_composite_data_example.py b/examples/006_filter_composite_data_example.py
index d8c2f169a..fb832e296 100644
--- a/examples/006_filter_composite_data_example.py
+++ b/examples/006_filter_composite_data_example.py
@@ -123,7 +123,7 @@
 # Note: It is not possible to get a DPF material ID for a
 # given material name. It is only possible to get a DPF material
 # ID from an analysis ply.
-material_names = get_dpf_material_id_by_analysis_ply_map(
+material_map = get_dpf_material_id_by_analysis_ply_map(
     composite_model.get_mesh(), data_source_or_streams_provider=composite_model.data_sources.rst
 )
 ud_material_id = material_map["P1L1__ud_patch ns1"]