diff --git a/dataload/configs/ols.json b/dataload/configs/ols.json
index d2e0ea9f7..746ecb3ce 100644
--- a/dataload/configs/ols.json
+++ b/dataload/configs/ols.json
@@ -826,7 +826,7 @@
         "http://purl.obolibrary.org/obo/BFO_0000050"
       ],
       "base_uri": [
-        "http://humanbehaviourchange.org/ontology"
+        "http://humanbehaviourchange.org/ontology/BCIO_"
       ],
       "oboSlims": false,
       "reasoner": "OWL2",
diff --git a/ebi_ontologies.json b/ebi_ontologies.json
index 93512da22..157f62933 100644
--- a/ebi_ontologies.json
+++ b/ebi_ontologies.json
@@ -821,7 +821,7 @@
         "http://purl.obolibrary.org/obo/BFO_0000050"
       ],
       "base_uri": [
-        "http://humanbehaviourchange.org/ontology"
+        "http://humanbehaviourchange.org/ontology/BCIO_"
       ],
       "oboSlims": false,
       "reasoner": "OWL2",