diff --git a/config/configuration.go b/config/configuration.go
index 7c03318..5f75dbd 100644
--- a/config/configuration.go
+++ b/config/configuration.go
@@ -78,7 +78,11 @@ func (c *Config) String() string {
 	for i := 0; i < fields.NumField(); i++ {
 		valueField := fields.Field(i)
 		typeField := fields.Type().Field(i)
-		buffer[i] = fmt.Sprintf("%s=%v", typeField.Name, valueField.Interface())
+		if typeField.Name != "PIHolePassword" && typeField.Name != "PIHoleApiToken" {
+			buffer[i] = fmt.Sprintf("%s=%v", typeField.Name, valueField.Interface())
+		} else if valueField.Len() > 0 {
+			buffer[i] = fmt.Sprintf("%s=%s", typeField.Name, "*****")
+		}
 	}
 
 	return fmt.Sprintf("<Config@%X %s>", &c, strings.Join(buffer, ", "))
diff --git a/internal/pihole/client.go b/internal/pihole/client.go
index c46bd53..5bb97c6 100644
--- a/internal/pihole/client.go
+++ b/internal/pihole/client.go
@@ -31,7 +31,7 @@ func NewClient(config *config.Config) *Client {
 		os.Exit(1)
 	}
 
-	fmt.Printf("Creating client with config %s\n", config)
+	log.Printf("Creating client with config %s\n", config)
 
 	return &Client{
 		config: config,
diff --git a/main.go b/main.go
index 8bee1a8..1adb3de 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"log"
 
 	"github.com/eko/pihole-exporter/config"
@@ -41,7 +40,7 @@ func main() {
 	case <-serverDead:
 	}
 
-	fmt.Println("pihole-exporter HTTP server stopped")
+	log.Println("pihole-exporter HTTP server stopped")
 }
 
 func buildClients(clientConfigs []config.Config) []*pihole.Client {