diff --git a/middleware/param_logger.go b/middleware/param_logger.go
index 0be98680a..c25d2f4a4 100644
--- a/middleware/param_logger.go
+++ b/middleware/param_logger.go
@@ -2,6 +2,7 @@ package middleware
 
 import (
 	"encoding/json"
+	"fmt"
 	"mime/multipart"
 	"net/url"
 	"strings"
@@ -143,5 +144,8 @@ func (pl parameterLogger) maskSecrets(form url.Values) url.Values {
 		}
 	}
 
+	fmt.Println(copy)
+	fmt.Println(pl.blacklist)
+
 	return copy
 }
diff --git a/middleware/param_logger_test.go b/middleware/param_logger_test.go
index 89aaa8c81..6a9d80c38 100644
--- a/middleware/param_logger_test.go
+++ b/middleware/param_logger_test.go
@@ -36,12 +36,12 @@ func Test_maskSecrets(t *testing.T) {
 
 func Test_maskSecretsCustom(t *testing.T) {
 	r := require.New(t)
-	ParameterFilterBlackList = []string{
-		"FirstName", "LastName", "MiddleName",
+	pl := parameterLogger{
+		blacklist: []string{
+			"FirstName", "LastName", "MiddleName",
+		},
 	}
 
-	pl := parameterLogger{}
-
 	filteredForm := pl.maskSecrets(url.Values{
 		"FirstName":            []string{"Antonio"},
 		"MiddleName":           []string{"José"},