diff --git a/src/ui/statsby.c b/src/ui/statsby.c
index 78e9a0b..e4b5067 100644
--- a/src/ui/statsby.c
+++ b/src/ui/statsby.c
@@ -189,6 +189,7 @@ static bool stats_by_screen_dispatch(StatsByScreen *screen,
     }
     if (state->back_down) {
         if (screen->stage == STATS_BY_SELECT_PERIOD) {
+            screen->period = PERIOD_HOUR;
             screen->need_redraw = true;
             lcd_display_control(state->lcd, LCD_CURSOR_NO_BLINK, LCD_CURSOR_OFF,
                                 LCD_DISPLAY_ON);