1 files changed, 1 insertions, 0 deletions
diff --git a/pref.h b/pref.h
index 4a6b2ad53..712a2d153 100644
--- a/pref.h
+++ b/pref.h
@@ -42,6 +42,7 @@ struct preferences {
 	bool display_unused_tanks;
 	bool show_average_depth;
 	bool zoomed_plot;
+	short heart_rate;
 };
 enum unit_system_values {
 	METRIC,