diff --git a/pheno003/sessions.tsv b/pheno003/sessions.tsv
index 52b2cd938..ce30a1091 100644
--- a/pheno003/sessions.tsv
+++ b/pheno003/sessions.tsv
@@ -1,4 +1,4 @@
-participant_id	session_id	age_at_visit
+participant_id	session_id	age
 sub-01	baseline	22
 sub-01	followup	24
 sub-02	baseline	63