diff --git a/src/hud.rs b/src/hud.rs
index ce795d0..04df403 100644
--- a/src/hud.rs
+++ b/src/hud.rs
@@ -1,4 +1,4 @@
-use crate::{settings, actor, audio};
+use crate::{settings, actor, audio, nature};
 use bevy::prelude::*;
 use bevy::diagnostic::{DiagnosticsStore, FrameTimeDiagnosticsPlugin};
 use bevy::core_pipeline::bloom::{BloomCompositeMode, BloomSettings};
@@ -359,7 +359,15 @@ fn update(
                 text.sections[3].value = format!("{power:}Wh");
                 let oxy_percent = suit.oxygen / suit.oxygen_max * 100.0;
                 let oxy_total = suit.oxygen * 1e6;
-                text.sections[5].value = format!("{oxy_percent:.1}% [{oxy_total:.0}mg]");
+
+                // the remaining oxygen hud info ignores leaking suits from low integrity
+                if suit.oxygen > nature::OXY_H {
+                    let oxy_hour = suit.oxygen / nature::OXY_H;
+                    text.sections[5].value = format!("{oxy_percent:.1}% [{oxy_total:.0}mg] [lasts {oxy_hour:.1} hours]");
+                } else {
+                    let oxy_min = suit.oxygen / nature::OXY_M;
+                    text.sections[5].value = format!("{oxy_percent:.1}% [{oxy_total:.0}mg] [lasts {oxy_min:.1} min]");
+                }
                 let adrenaline = lifeform.adrenaline * 990.0 + 10.0;
                 text.sections[7].value = format!("{adrenaline:.0}pg/mL");
                 let all_actors = query_all_actors.iter().len();