diff --git a/src/ifcgeom/mapping/mapping.cpp b/src/ifcgeom/mapping/mapping.cpp
index e1ea7db0e9..9efe71a54e 100644
--- a/src/ifcgeom/mapping/mapping.cpp
+++ b/src/ifcgeom/mapping/mapping.cpp
@@ -756,6 +756,14 @@ void mapping::initialize_units_() {
     if (!angle_unit_encountered) {
         Logger::Warning("No plane angle unit encountered");
     }
+
+    // @todo move to a more descriptive function
+    if (settings_.get<settings::BuildingLocalPlacement>().get()) {
+        placement_rel_to_type_ = file_->schema()->declaration_by_name("IfcBuilding");
+    }
+    if (settings_.get<settings::SiteLocalPlacement>().get()) {
+        placement_rel_to_type_ = file_->schema()->declaration_by_name("IfcSite");
+    }
 }
 
 void mapping::initialize_settings() {