diff --git a/siibra/configuration/factory.py b/siibra/configuration/factory.py
index bb751959c..de1478856 100644
--- a/siibra/configuration/factory.py
+++ b/siibra/configuration/factory.py
@@ -277,7 +277,7 @@ def build_volume(cls, spec):
             bbox=cls.build_boundingbox(spec)
         )
         if result._boundingbox is not None:
-            assert result._boundingbox.space == result.space, "BoundingBox of a volume cannot be in a different space than the volume's space."
+            assert result._boundingbox._space_spec == result._space_spec, "BoundingBox of a volume cannot be in a different space than the volume's space."
 
         return result
 
@@ -358,9 +358,9 @@ def build_boundingbox(cls, spec):
         bboxspec = spec.get("boundingbox", None)
         if bboxspec is None:
             return None
-        space_id = bboxspec.get("space").get("@id")
+        space_spec = bboxspec.get("space")
         coords = [tuple(c) for c in bboxspec.get("coordinates")]
-        return boundingbox.BoundingBox(coords[0], coords[1], space=space_id)
+        return boundingbox.BoundingBox(coords[0], coords[1], space=space_spec)
 
     @classmethod
     @build_type("siibra/feature/fingerprint/receptor/v0.1")
diff --git a/test/core/test_parcellation.py b/test/core/test_parcellation.py
index 949b98b06..e24f7b9dc 100644
--- a/test/core/test_parcellation.py
+++ b/test/core/test_parcellation.py
@@ -238,7 +238,7 @@ def test_get_region(self, regionspec, find_topmost, allow_tuple, result):
 
 
 @pytest.mark.parametrize('space_id,parc_id,map_type', [
-    ('waxholm', 'v4', 'labelled')
+    ('waxholm', 'waxholm v4', 'labelled')
 ])
 def test_should_be_able_to_fetch_map(space_id, parc_id, map_type):