diff --git a/models/participant.go b/models/participant.go
index d5837d9..f585c94 100644
--- a/models/participant.go
+++ b/models/participant.go
@@ -16,7 +16,7 @@ type Participant struct {
 	Firstname string `csv:"firstname"`
 	Lastname  string `csv:"lastname"`
 
-	Token uint `csv:"token"`
+	Token int `csv:"token"`
 
 	Attributes AttributeList `csv:"attributes"`
 }