diff --git a/uzi_vc_validator/ura_validator.go b/uzi_vc_validator/ura_validator.go
index a7b4bf5..dc140a8 100644
--- a/uzi_vc_validator/ura_validator.go
+++ b/uzi_vc_validator/ura_validator.go
@@ -34,7 +34,7 @@ type JwtHeaderValues struct {
 
 func (u UraValidatorImpl) Validate(jwtString string) error {
 	credential := &vc.VerifiableCredential{}
-	err := json.Unmarshal([]byte("\""+jwtString+"\""), credential)
+	err := json.Unmarshal([]byte(fmt.Sprintf("\"%s\"", jwtString)), credential)
 	if err != nil {
 		return err
 	}