diff --git a/subjects/fromto/main.go b/subjects/fromto/main.go
index 3cc0133a..d1c645c6 100644
--- a/subjects/fromto/main.go
+++ b/subjects/fromto/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"piscine"
 )
 
 func main() {