diff --git a/Core/include/Acts/Geometry/detail/BlueprintBuilder_impl.hpp b/Core/include/Acts/Geometry/detail/BlueprintBuilder_impl.hpp
index 1e2f39c5220..a3a50951c9c 100644
--- a/Core/include/Acts/Geometry/detail/BlueprintBuilder_impl.hpp
+++ b/Core/include/Acts/Geometry/detail/BlueprintBuilder_impl.hpp
@@ -421,6 +421,9 @@ SensorLayerAssembler<BackendT>::build() const {
     }
     LayerSpec layerSpec = m_layerSpec;
     layerSpec.layerName = group.key;
+    if (m_containerName.has_value()) {
+      layerSpec.layerName = m_containerName.value() + "|" + group.key;
+    }
     auto layer = m_builder->makeLayer(std::span<const Element>{group.sensors},
                                       layerSpec);
     layer->setLayerType(m_layerType.value());