diff --git a/Content.Server/Atmos/Monitor/Systems/AtmosMonitoringSystem.cs b/Content.Server/Atmos/Monitor/Systems/AtmosMonitoringSystem.cs
index b7f11ba996..d94f97d801 100644
--- a/Content.Server/Atmos/Monitor/Systems/AtmosMonitoringSystem.cs
+++ b/Content.Server/Atmos/Monitor/Systems/AtmosMonitoringSystem.cs
@@ -75,17 +75,17 @@ namespace Content.Server.Atmos.Monitor.Systems
         private void OnAtmosMonitorInit(EntityUid uid, AtmosMonitorComponent component, ComponentInit args)
         {
             if (component.TemperatureThresholdId != null)
-                component.TemperatureThreshold = _prototypeManager.Index<AtmosAlarmThreshold>(component.TemperatureThresholdId);
+                component.TemperatureThreshold = new(_prototypeManager.Index<AtmosAlarmThreshold>(component.TemperatureThresholdId));
 
             if (component.PressureThresholdId != null)
-                component.PressureThreshold = _prototypeManager.Index<AtmosAlarmThreshold>(component.PressureThresholdId);
+                component.PressureThreshold = new(_prototypeManager.Index<AtmosAlarmThreshold>(component.PressureThresholdId));
 
             if (component.GasThresholdIds != null)
             {
                 component.GasThresholds = new();
                 foreach (var (gas, id) in component.GasThresholdIds)
                     if (_prototypeManager.TryIndex<AtmosAlarmThreshold>(id, out var gasThreshold))
-                        component.GasThresholds.Add(gas, gasThreshold);
+                        component.GasThresholds.Add(gas, new(gasThreshold));
             }
         }
 
diff --git a/Content.Shared/Atmos/Monitor/AtmosAlarmThresholdPrototype.cs b/Content.Shared/Atmos/Monitor/AtmosAlarmThresholdPrototype.cs
index c3270e6b69..68ac59b86d 100644
--- a/Content.Shared/Atmos/Monitor/AtmosAlarmThresholdPrototype.cs
+++ b/Content.Shared/Atmos/Monitor/AtmosAlarmThresholdPrototype.cs
@@ -52,6 +52,15 @@ namespace Content.Shared.Atmos.Monitor
             get => CalculateWarningBound(AtmosMonitorThresholdBound.Lower);
         }
 
+        public AtmosAlarmThreshold(AtmosAlarmThreshold other)
+        {
+            Ignore = other.Ignore;
+            UpperBound = other.UpperBound;
+            LowerBound = other.LowerBound;
+            UpperWarningPercentage = other.UpperWarningPercentage;
+            LowerWarningPercentage = other.LowerWarningPercentage;
+        }
+
         void ISerializationHooks.AfterDeserialization()
         {
             if (UpperBound <= LowerBound)