diff --git a/daemonclient/service.go b/daemonclient/service.go
index 00e5f646..2782c7dc 100644
--- a/daemonclient/service.go
+++ b/daemonclient/service.go
@@ -11,8 +11,10 @@ import (
 	"time"
 
 	"github.com/floatpane/matcha/backend"
+	_ "github.com/floatpane/matcha/backend/imap"    // register imap backend for directService
 	_ "github.com/floatpane/matcha/backend/jmap"    // register jmap backend for directService
 	_ "github.com/floatpane/matcha/backend/maildir" // register maildir backend for directService
+	_ "github.com/floatpane/matcha/backend/pop3"    // register pop3 backend for directService
 	"github.com/floatpane/matcha/config"
 	"github.com/floatpane/matcha/daemonrpc"
 	"github.com/floatpane/matcha/fetcher"