diff --git a/src/widgets/settings_widget.h b/src/widgets/settings_widget.h
--- a/src/widgets/settings_widget.h
+++ b/src/widgets/settings_widget.h
@@ -28,23 +28,27 @@ enum GameOptionsWidgets {
 	WID_GO_BASE_GRF_DROPDOWN,      ///< Use to select a base GRF.
 	WID_GO_BASE_GRF_STATUS,        ///< Info about missing files etc.
 	WID_GO_BASE_GRF_TEXTFILE,      ///< Open base GRF readme, changelog (+1) or license (+2).
-	WID_GO_BASE_GRF_DESCRIPTION = WID_GO_BASE_GRF_TEXTFILE + TFT_END,     ///< Description of selected base GRF.
+	WID_GO_BASE_GRF_DESCRIPTION = WID_GO_BASE_GRF_TEXTFILE + TFT_CONTENT_END,     ///< Description of selected base GRF.
 	WID_GO_BASE_SFX_DROPDOWN,      ///< Use to select a base SFX.
 	WID_GO_TEXT_SFX_VOLUME,        ///< Sound effects volume label.
 	WID_GO_BASE_SFX_VOLUME,        ///< Change sound effects volume.
 	WID_GO_BASE_SFX_TEXTFILE,      ///< Open base SFX readme, changelog (+1) or license (+2).
-	WID_GO_BASE_SFX_DESCRIPTION = WID_GO_BASE_SFX_TEXTFILE + TFT_END,     ///< Description of selected base SFX.
+	WID_GO_BASE_SFX_DESCRIPTION = WID_GO_BASE_SFX_TEXTFILE + TFT_CONTENT_END,     ///< Description of selected base SFX.
 	WID_GO_BASE_MUSIC_DROPDOWN,    ///< Use to select a base music set.
 	WID_GO_TEXT_MUSIC_VOLUME,      ///< Music volume label.
 	WID_GO_BASE_MUSIC_VOLUME,      ///< Change music volume.
 	WID_GO_BASE_MUSIC_JUKEBOX,     ///< Open the jukebox.
 	WID_GO_BASE_MUSIC_STATUS,      ///< Info about corrupted files etc.
 	WID_GO_BASE_MUSIC_TEXTFILE,    ///< Open base music readme, changelog (+1) or license (+2).
-	WID_GO_BASE_MUSIC_DESCRIPTION = WID_GO_BASE_MUSIC_TEXTFILE + TFT_END, ///< Description of selected base music set.
+	WID_GO_BASE_MUSIC_DESCRIPTION = WID_GO_BASE_MUSIC_TEXTFILE + TFT_CONTENT_END, ///< Description of selected base music set.
 	WID_GO_VIDEO_ACCEL_BUTTON,     ///< Toggle for video acceleration.
 	WID_GO_VIDEO_VSYNC_BUTTON,     ///< Toggle for video vsync.
 	WID_GO_REFRESH_RATE_DROPDOWN,  ///< Dropdown for all available refresh rates.
 	WID_GO_VIDEO_DRIVER_INFO,      ///< Label showing details about the current video driver.
+	WID_GO_SURVEY_SEL,             ///< Selection to hide survey if no JSON library is compiled in.
+	WID_GO_SURVEY_PARTICIPATE_BUTTON, ///< Toggle for participating in the automated survey.
+	WID_GO_SURVEY_LINK_BUTTON,     ///< Button to open browser to go to the survey website.
+	WID_GO_SURVEY_PREVIEW_BUTTON,  ///< Button to open a preview window with the survey results
 };
 
 /** Widgets of the #GameSettingsWindow class. */