diff --git a/paper/paper.md b/paper/paper.md
index e17942f..e65b63f 100644
--- a/paper/paper.md
+++ b/paper/paper.md
@@ -15,16 +15,18 @@ authors:
   - name: Claudio Moroni
     orcid: 0000-0003-1274-6937
     equal-contrib: true
-    affiliation: "1, 2" 
+    affiliation: "1, 3" 
   - name: Pietro Monticone
     orcid: 0000-0002-2731-9623
     equal-contrib: true
-    affiliation: "1, 2" 
+    affiliation: "2, 3" 
 affiliations:
  - name: University of Turin, Italy
    index: 1
- - name: Interdisciplinary Physics Team, Italy
+ - name: University of Turin, Italy
    index: 2
+ - name: Interdisciplinary Physics Team, Italy
+   index: 3
 date: 27 January 2023
 bibliography: references.bib
 ---