diff --git a/MechJeb2/MechJebLib/Maths/Functions.cs b/MechJeb2/MechJebLib/Maths/Functions.cs
index 0367461f4..559421b09 100644
--- a/MechJeb2/MechJebLib/Maths/Functions.cs
+++ b/MechJeb2/MechJebLib/Maths/Functions.cs
@@ -23,13 +23,11 @@ public static class Functions
         /// <param name="celestialLongitude">Celestial longitude of the current position of the launch site.</param>
         /// <param name="LAN">Longitude of the Ascending Node of the target plane (degrees).</param>
         /// <param name="inc">Inclination of the target plane (degrees).</param>
-        /// <param name="launchNorth">True when the returned time is until the northern launch window, false for the southern window.</param>
-        public static double MinimumTimeToPlane(double rotationPeriod,double latitude,double celestialLongitude,double LAN,double inc, out bool launchNorth)
+        public static (double time, double inclination) MinimumTimeToPlane(double rotationPeriod,double latitude,double celestialLongitude,double LAN,double inc)
         {
             double north = TimeToPlane(rotationPeriod,latitude,celestialLongitude,LAN,Math.Abs(inc));
             double south = TimeToPlane(rotationPeriod,latitude,celestialLongitude,LAN,-Math.Abs(inc));
-            launchNorth = (north < south);
-            return Math.Min(north, south);
+            return north < south ? (north,Math.Abs(inc)) : (south,-Math.Abs(inc));
         }
 
 
diff --git a/MechJeb2/MechJebModuleAscentGuidance.cs b/MechJeb2/MechJebModuleAscentGuidance.cs
index 4437202ce..8a38f4b70 100644
--- a/MechJeb2/MechJebModuleAscentGuidance.cs
+++ b/MechJeb2/MechJebModuleAscentGuidance.cs
@@ -441,18 +441,15 @@ private void ShowAutoWarpGUIElements()
                 if (targetExists && GuiUtils.ButtonTextBox(CachedLocalizer.Instance.MechJeb_Ascent_button15,autopilot.launchLANDifference,"º",width: LAN_width)) //Launch into plane of target
                 {
                     launchingToPlane = true;
-                    autopilot.StartCountdown(vesselState.time +
-                            Functions.MinimumTimeToPlane(
-                                mainBody.rotationPeriod,
-                                vesselState.latitude,
-                                vesselState.celestialLongitude,
-                                core.target.TargetOrbit.LAN - autopilot.launchLANDifference,
-                                core.target.TargetOrbit.inclination,
-                                out bool launchingNorth
-                                )
-                            );
-                    // Fix up the sign of the inclination to match the window MinimumTimeToPlane selected
-                    desiredInclination = launchingNorth ? Math.Abs(desiredInclination) : -Math.Abs(desiredInclination);
+                    (double timeToPlane, double inclination) = Functions.MinimumTimeToPlane(
+                            mainBody.rotationPeriod,
+                            vesselState.latitude,
+                            vesselState.celestialLongitude,
+                            core.target.TargetOrbit.LAN - autopilot.launchLANDifference,
+                            core.target.TargetOrbit.inclination
+                        );
+                    autopilot.StartCountdown(vesselState.time + timeToPlane);
+                    desiredInclination = inclination;
                 }
 
                 //Launch to target LAN
@@ -494,13 +491,6 @@ out bool launchingNorth
 
             if (Launching)
             {
-                if (launchingToPlane)
-                {
-                    desiredInclination = MuUtils.Clamp(core.target.TargetOrbit.inclination,Math.Abs(vesselState.latitude),180 - Math.Abs(vesselState.latitude));
-                    desiredInclination *=
-                        Math.Sign(Vector3d.Dot(core.target.TargetOrbit.SwappedOrbitNormal(),
-                                    Vector3d.Cross(vesselState.CoM - mainBody.position,mainBody.transform.up)));
-                }
                 GUILayout.Label(launchTimer);
                 if (GUILayout.Button(CachedLocalizer.Instance.MechJeb_Ascent_button17))//Abort
                     launchingToPlane = launchingToRendezvous = launchingToMatchLAN = launchingToLAN = autopilot.timedLaunch = false;