1 files changed, 1 insertions, 0 deletions
diff --git a/pref.h b/pref.h
index e471add73..953003a2d 100644
--- a/pref.h
+++ b/pref.h
@@ -97,6 +97,7 @@ struct preferences {
 	bool display_transitions;
 	bool safetystop;
 	bool switch_at_req_stop;
+	bool check_ceiling_before_ascent;
 	int reserve_gas;
 	int min_switch_duration; // seconds
 	int bottomsac;