diff --git a/paper.md b/paper.md
index b8676f1..809689a 100644
--- a/paper.md
+++ b/paper.md
@@ -12,7 +12,7 @@ authors:
 	  equal-contrib: true
 	  affiliation: "1, 2" 
 	- name: Tristan Martin
-	  orcid:
+	  orcid: 0000-0001-9835-4680
 	  equal-contrib: true
 	  affiliation: 3
 	- name: Juan Pérez-Marcos