diff --git a/Content.Server/Atmos/Commands/SetMapAtmosCommand.cs b/Content.Server/Atmos/Commands/SetMapAtmosCommand.cs
index 6f04cfb2da6d49..92dd64eeca5586 100644
--- a/Content.Server/Atmos/Commands/SetMapAtmosCommand.cs
+++ b/Content.Server/Atmos/Commands/SetMapAtmosCommand.cs
@@ -54,7 +54,7 @@ public override void Execute(IConsoleShell shell, string argStr, string[] args)
             return;
         }
 
-        var mix = new GasMixture(Atmospherics.CellVolume) {Temperature = Math.Min(temp, Atmospherics.TCMB)};
+        var mix = new GasMixture(Atmospherics.CellVolume) {Temperature = Math.Max(temp, Atmospherics.TCMB)};
         for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
         {
             if (args.Length == 3 + i)