diff --git a/src/dev/peerat/backend/routes/users/ProfileSettings.java b/src/dev/peerat/backend/routes/users/ProfileSettings.java
index 10072ed..6f1a3ee 100644
--- a/src/dev/peerat/backend/routes/users/ProfileSettings.java
+++ b/src/dev/peerat/backend/routes/users/ProfileSettings.java
@@ -20,6 +20,8 @@ public class ProfileSettings extends FormResponse{
 	
 	public ProfileSettings(DatabaseRepository repo){
 		this.repo = repo;
+		
+		validator("pseudo", "[a-zA-Z0-9&|!?{}\\[\\]%/*\\-+=:;,_#@ ]{3,100}");
 	}
 
 	@RouteDoc(path = "/user/settings", responseCode = 200, responseDescription = "L'utilisateur a mis à jours sont profile")