diff --git a/provider/pihole/clientV6.go b/provider/pihole/clientV6.go
index ab616ddcf..dfb4d8ee4 100644
--- a/provider/pihole/clientV6.go
+++ b/provider/pihole/clientV6.go
@@ -337,7 +337,15 @@ func (p *piholeClientV6) retrieveNewToken(ctx context.Context) error {
 	log.Debugf("Fetching new token from %s", apiUrl)
 
 	// Define the JSON payload
-	jsonData := []byte(`{"password":"` + p.cfg.Password + `"}`)
+	body := struct {
+		Password string `json:"password"`
+	}{
+		Password: p.cfg.Password,
+	}
+	jsonData, err := json.Marshal(body)
+	if err != nil {
+		return err
+	}
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, apiUrl, bytes.NewBuffer(jsonData))
 	if err != nil {
diff --git a/provider/pihole/clientV6_test.go b/provider/pihole/clientV6_test.go
index 34be0e28b..66c5ee095 100644
--- a/provider/pihole/clientV6_test.go
+++ b/provider/pihole/clientV6_test.go
@@ -132,7 +132,7 @@ func TestNewPiholeClientV6(t *testing.T) {
 
 			w.Header().Set("Content-Type", "application/json")
 
-			if requestData["password"] != "correct" {
+			if requestData["password"] != "correct" && requestData["password"] != "correct\\with\"special'characters" {
 				// Return unsuccessful authentication response
 				w.WriteHeader(http.StatusUnauthorized)
 				_, err = w.Write([]byte(`{
@@ -185,7 +185,22 @@ func TestNewPiholeClientV6(t *testing.T) {
 		t.Fatal(err)
 	}
 	if cl.(*piholeClientV6).token != "supersecret" {
-		t.Error("Parsed invalid token from login response:", cl.(*piholeClient).token)
+		t.Error("Parsed invalid token from login response:", cl.(*piholeClientV6).token)
+	}
+
+	// Test correct password with special characters
+	cl, err = newPiholeClientV6(
+		PiholeConfig{
+			Server:     srvr.URL,
+			APIVersion: "6",
+			Password:   "correct\\with\"special'characters",
+		},
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cl.(*piholeClientV6).token != "supersecret" {
+		t.Error("Parsed invalid token from login response:", cl.(*piholeClientV6).token)
 	}
 }