diff --git a/src/rdf-mappings/dho_namespaces.py b/src/rdf-mappings/dho_namespaces.py
index 7dedea7e98a9070628d8c48f23e13dfcbc24ff14..d544deb0de46c1469a0e25d1c7f76aadc648ec0c 100644
--- a/src/rdf-mappings/dho_namespaces.py
+++ b/src/rdf-mappings/dho_namespaces.py
@@ -10,8 +10,8 @@ from rdflib.namespace import Namespace
 dho_uri = URIRef('http://digitalheraldry.org/digital-heraldry-ontology/heraldry#')
 dho_n = Namespace(dho_uri)
 dho_blazon_n = Namespace(URIRef('http://digitalheraldry.org/digital-heraldry-ontology/blazon#'))
-dho_representation_n = Namespace(URIRef('http://digitalheraldry.org/digital-heraldry-ontology/representation#'))
-dho_objects_n = Namespace(URIRef('http://digitalheraldry.org/digital-heraldry-ontology/objects#'))
+dho_rep_n = Namespace(URIRef('http://digitalheraldry.org/digital-heraldry-ontology/representation#'))
+dho_obj_n = Namespace(URIRef('http://digitalheraldry.org/digital-heraldry-ontology/objects#'))
 dho_data_n = Namespace(URIRef('http://digitalheraldry.org/digital-heraldry-ontology/data#'))
 
 def bind_namespaces(g):
@@ -21,8 +21,8 @@ def bind_namespaces(g):
 
     g.namespace_manager.bind('dhoh', dho_n)
     g.namespace_manager.bind('dhob', dho_blazon_n)
-    g.namespace_manager.bind('dhor', dho_representation_n)
-    g.namespace_manager.bind('dhoo', dho_objects_n)
+    g.namespace_manager.bind('dhor', dho_rep_n)
+    g.namespace_manager.bind('dhoo', dho_obj_n)
     g.namespace_manager.bind('dhd', dho_data_n)
 
     return g
\ No newline at end of file