1 files changed, 3 insertions, 0 deletions

diff --git a/apps/plugins/text_viewer/tv_display.h b/apps/plugins/text_viewer/tv_display.h
index f6a3d19b78..9dfe17d900 100644
--- a/apps/plugins/text_viewer/tv_display.h
+++ b/apps/plugins/text_viewer/tv_display.h
@@ -103,6 +103,9 @@ void tv_start_display(void);
 /* end the display processing */
 void tv_end_display(void);
 
+/*change color scheme*/
+void tv_night_mode(void);
+
 
 /* layout functions */