diff --git a/Source/RP0/UI/KCT/GUI_Simulation.cs b/Source/RP0/UI/KCT/GUI_Simulation.cs
index e420bc4903..fbfbf499c6 100644
--- a/Source/RP0/UI/KCT/GUI_Simulation.cs
+++ b/Source/RP0/UI/KCT/GUI_Simulation.cs
@@ -344,7 +344,7 @@ private static double EnsureSafeMaxAltitude(double altitudeMeters, CelestialBody
 
         private static double GetDefaultAltitudeForBody(CelestialBody body)
         {
-            return body.atmosphere ? body.atmosphereDepth + 20010 : 20000;
+            return body.atmosphere ? body.atmosphereDepth + 5000 : 20000;
         }
     }
 }