diff --git a/bug/label.go b/bug/label.go
index c84c56cd28f0f03db9e4f616ef03096b415ba7c2..ccfa15f4333b792e80c3cda01bc8ff88bde5c266 100644
--- a/bug/label.go
+++ b/bug/label.go
@@ -25,5 +25,5 @@ func (l *Label) UnmarshalGQL(v interface{}) error {
 
 // MarshalGQL implements the graphql.Marshaler interface
 func (l Label) MarshalGQL(w io.Writer) {
-	w.Write([]byte(l))
+	w.Write([]byte(`"` + l.String() + `"`))
 }