diff --git a/internal/bounce/mailbox/pop.go b/internal/bounce/mailbox/pop.go
index 90f82aa83..83a68ac58 100644
--- a/internal/bounce/mailbox/pop.go
+++ b/internal/bounce/mailbox/pop.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/emersion/go-message"
+	_ "github.com/emersion/go-message/charset"
 	"github.com/knadh/go-pop3"
 	"github.com/knadh/listmonk/models"
 )