diff --git a/src/qobuz/qobuzbaserequest.h b/src/qobuz/qobuzbaserequest.h
index d25f63d03..6dc47026e 100644
--- a/src/qobuz/qobuzbaserequest.h
+++ b/src/qobuz/qobuzbaserequest.h
@@ -72,24 +72,24 @@ class QobuzBaseRequest : public QObject {
   virtual void Error(const QString &error, const QVariant &debug = QVariant()) = 0;
   static QString ErrorsToHTML(const QStringList &errors);
 
-  QString app_id() { return service_->app_id(); }
-  QString app_secret() { return service_->app_secret(); }
-  QString username() { return service_->username(); }
-  QString password() { return service_->password(); }
-  int format() { return service_->format(); }
-  int artistssearchlimit() { return service_->artistssearchlimit(); }
-  int albumssearchlimit() { return service_->albumssearchlimit(); }
-  int songssearchlimit() { return service_->songssearchlimit(); }
+  QString app_id() const { return service_->app_id(); }
+  QString app_secret() const { return service_->app_secret(); }
+  QString username() const { return service_->username(); }
+  QString password() const { return service_->password(); }
+  int format() const { return service_->format(); }
+  int artistssearchlimit() const { return service_->artistssearchlimit(); }
+  int albumssearchlimit() const { return service_->albumssearchlimit(); }
+  int songssearchlimit() const { return service_->songssearchlimit(); }
 
-  qint64 user_id() { return service_->user_id(); }
-  QString user_auth_token() { return service_->user_auth_token(); }
-  QString device_id() { return service_->device_id(); }
-  qint64 credential_id() { return service_->credential_id(); }
+  qint64 user_id() const { return service_->user_id(); }
+  QString user_auth_token() const { return service_->user_auth_token(); }
+  QString device_id() const { return service_->device_id(); }
+  qint64 credential_id() const { return service_->credential_id(); }
 
-  bool authenticated() { return service_->authenticated(); }
-  bool login_sent() { return service_->login_sent(); }
-  int max_login_attempts() { return service_->max_login_attempts(); }
-  int login_attempts() { return service_->login_attempts(); }
+  bool authenticated() const { return service_->authenticated(); }
+  bool login_sent() const { return service_->login_sent(); }
+  int max_login_attempts() const { return service_->max_login_attempts(); }
+  int login_attempts() const { return service_->login_attempts(); }
 
  private slots:
   void HandleSSLErrors(const QList<QSslError> &ssl_errors);
diff --git a/src/qobuz/qobuzstreamurlrequest.h b/src/qobuz/qobuzstreamurlrequest.h
index 97a44ffb8..d1dce5356 100644
--- a/src/qobuz/qobuzstreamurlrequest.h
+++ b/src/qobuz/qobuzstreamurlrequest.h
@@ -49,9 +49,9 @@ class QobuzStreamURLRequest : public QobuzBaseRequest {
   void NeedLogin() { need_login_ = true; }
   void Cancel();
 
-  QUrl media_url() { return media_url_; }
-  int song_id() { return song_id_; }
-  bool need_login() { return need_login_; }
+  QUrl media_url() const { return media_url_; }
+  int song_id() const { return song_id_; }
+  bool need_login() const { return need_login_; }
 
  signals:
   void TryLogin();
diff --git a/src/spotify/spotifybaserequest.h b/src/spotify/spotifybaserequest.h
index faa43626e..a8de6ff8f 100644
--- a/src/spotify/spotifybaserequest.h
+++ b/src/spotify/spotifybaserequest.h
@@ -71,13 +71,13 @@ class SpotifyBaseRequest : public QObject {
   virtual void Error(const QString &error, const QVariant &debug = QVariant()) = 0;
   static QString ErrorsToHTML(const QStringList &errors);
 
-  int artistssearchlimit() { return service_->artistssearchlimit(); }
-  int albumssearchlimit() { return service_->albumssearchlimit(); }
-  int songssearchlimit() { return service_->songssearchlimit(); }
+  int artistssearchlimit() const { return service_->artistssearchlimit(); }
+  int albumssearchlimit() const { return service_->albumssearchlimit(); }
+  int songssearchlimit() const { return service_->songssearchlimit(); }
 
-  QString access_token() { return service_->access_token(); }
+  QString access_token() const { return service_->access_token(); }
 
-  bool authenticated() { return service_->authenticated(); }
+  bool authenticated() const { return service_->authenticated(); }
 
  private slots:
   void HandleSSLErrors(const QList<QSslError> &ssl_errors);
diff --git a/src/spotify/spotifyservice.h b/src/spotify/spotifyservice.h
index 55c0b586e..7498cadd4 100644
--- a/src/spotify/spotifyservice.h
+++ b/src/spotify/spotifyservice.h
@@ -73,13 +73,13 @@ class SpotifyService : public StreamingService {
 
   Application *app() { return app_; }
 
-  int artistssearchlimit() { return artistssearchlimit_; }
-  int albumssearchlimit() { return albumssearchlimit_; }
-  int songssearchlimit() { return songssearchlimit_; }
-  bool fetchalbums() { return fetchalbums_; }
-  bool download_album_covers() { return download_album_covers_; }
+  int artistssearchlimit() const { return artistssearchlimit_; }
+  int albumssearchlimit() const { return albumssearchlimit_; }
+  int songssearchlimit() const { return songssearchlimit_; }
+  bool fetchalbums() const { return fetchalbums_; }
+  bool download_album_covers() const { return download_album_covers_; }
 
-  QString access_token() { return access_token_; }
+  QString access_token() const { return access_token_; }
 
   bool authenticated() const override { return !access_token_.isEmpty(); }
 
diff --git a/src/tidal/tidalbaserequest.h b/src/tidal/tidalbaserequest.h
index 3f669aa97..3064b57b8 100644
--- a/src/tidal/tidalbaserequest.h
+++ b/src/tidal/tidalbaserequest.h
@@ -72,25 +72,25 @@ class TidalBaseRequest : public QObject {
   virtual void Error(const QString &error, const QVariant &debug = QVariant()) = 0;
   static QString ErrorsToHTML(const QStringList &errors);
 
-  bool oauth() { return service_->oauth(); }
-  QString client_id() { return service_->client_id(); }
-  QString api_token() { return service_->api_token(); }
-  quint64 user_id() { return service_->user_id(); }
-  QString country_code() { return service_->country_code(); }
-  QString username() { return service_->username(); }
-  QString password() { return service_->password(); }
-  QString quality() { return service_->quality(); }
-  int artistssearchlimit() { return service_->artistssearchlimit(); }
-  int albumssearchlimit() { return service_->albumssearchlimit(); }
-  int songssearchlimit() { return service_->songssearchlimit(); }
+  bool oauth() const { return service_->oauth(); }
+  QString client_id() const { return service_->client_id(); }
+  QString api_token() const { return service_->api_token(); }
+  quint64 user_id() const { return service_->user_id(); }
+  QString country_code() const { return service_->country_code(); }
+  QString username() const { return service_->username(); }
+  QString password() const { return service_->password(); }
+  QString quality() const { return service_->quality(); }
+  int artistssearchlimit() const { return service_->artistssearchlimit(); }
+  int albumssearchlimit() const { return service_->albumssearchlimit(); }
+  int songssearchlimit() const { return service_->songssearchlimit(); }
 
-  QString access_token() { return service_->access_token(); }
-  QString session_id() { return service_->session_id(); }
+  QString access_token() const { return service_->access_token(); }
+  QString session_id() const { return service_->session_id(); }
 
-  bool authenticated() { return service_->authenticated(); }
-  bool login_sent() { return service_->login_sent(); }
-  int max_login_attempts() { return service_->max_login_attempts(); }
-  int login_attempts() { return service_->login_attempts(); }
+  bool authenticated() const { return service_->authenticated(); }
+  bool login_sent() const { return service_->login_sent(); }
+  int max_login_attempts() const { return service_->max_login_attempts(); }
+  int login_attempts() const { return service_->login_attempts(); }
 
   virtual void set_need_login() = 0;
 
diff --git a/src/tidal/tidalfavoriterequest.h b/src/tidal/tidalfavoriterequest.h
index fc5377488..2cc890f67 100644
--- a/src/tidal/tidalfavoriterequest.h
+++ b/src/tidal/tidalfavoriterequest.h
@@ -43,7 +43,7 @@ class TidalFavoriteRequest : public TidalBaseRequest {
   explicit TidalFavoriteRequest(TidalService *service, SharedPtr<NetworkAccessManager> network, QObject *parent = nullptr);
   ~TidalFavoriteRequest() override;
 
-  bool need_login() { return need_login_; }
+  bool need_login() const { return need_login_; }
   void set_need_login() override { need_login_ = true; }
 
  private:
diff --git a/src/tidal/tidalstreamurlrequest.h b/src/tidal/tidalstreamurlrequest.h
index 031c8a988..e10f613af 100644
--- a/src/tidal/tidalstreamurlrequest.h
+++ b/src/tidal/tidalstreamurlrequest.h
@@ -49,13 +49,13 @@ class TidalStreamURLRequest : public TidalBaseRequest {
   void Process();
   void Cancel();
 
-  bool oauth() { return service_->oauth(); }
-  TidalSettingsPage::StreamUrlMethod stream_url_method() { return service_->stream_url_method(); }
-  QUrl media_url() { return media_url_; }
-  int song_id() { return song_id_; }
+  bool oauth() const { return service_->oauth(); }
+  TidalSettingsPage::StreamUrlMethod stream_url_method() const { return service_->stream_url_method(); }
+  QUrl media_url() const { return media_url_; }
+  int song_id() const { return song_id_; }
 
   void set_need_login() override { need_login_ = true; }
-  bool need_login() { return need_login_; }
+  bool need_login() const { return need_login_; }
 
  signals:
   void TryLogin();