diff --git a/Content.Server/Atmos/Portable/SpaceHeaterSystem.cs b/Content.Server/Atmos/Portable/SpaceHeaterSystem.cs
index 1c05307c15..0d55ed12bd 100644
--- a/Content.Server/Atmos/Portable/SpaceHeaterSystem.cs
+++ b/Content.Server/Atmos/Portable/SpaceHeaterSystem.cs
@@ -112,7 +112,9 @@ public sealed class SpaceHeaterSystem : EntitySystem
         if (!TryComp<GasThermoMachineComponent>(uid, out var thermoMachine))
             return;
 
-        thermoMachine.TargetTemperature = float.Clamp(thermoMachine.TargetTemperature + args.Temperature, thermoMachine.MinTemperature, thermoMachine.MaxTemperature);
+        thermoMachine.TargetTemperature = float.Clamp(thermoMachine.TargetTemperature + args.Temperature,
+                                                      spaceHeater.MinTemperature,
+                                                      spaceHeater.MaxTemperature);
 
         UpdateAppearance(uid);
         DirtyUI(uid, spaceHeater);