diff --git a/RotationSolver.Basic/Rotations/CustomRotation_Ability.cs b/RotationSolver.Basic/Rotations/CustomRotation_Ability.cs
index 6b8fcd0fc..4ab4766fc 100644
--- a/RotationSolver.Basic/Rotations/CustomRotation_Ability.cs
+++ b/RotationSolver.Basic/Rotations/CustomRotation_Ability.cs
@@ -191,6 +191,7 @@ private bool AutoDefense(byte abilitiesRemaining, JobRole role, bool helpDefense
             //A lot targets are targeting on me.
             if (tarOnMeCount > 1 && !IsMoving)
             {
+                if (!helpDefenseSingle) DataCenter.SetAutoStatus(AutoStatus.DefenseSingle, true);
                 if (ArmsLength.CanUse(out act)) return true;
                 if (DefenseSingleAbility(abilitiesRemaining, out act)) return true;
             }
@@ -198,6 +199,7 @@ private bool AutoDefense(byte abilitiesRemaining, JobRole role, bool helpDefense
             //Big damage casting action.
             if (tarOnMeCount == 1 && DataCenter.IsHostileCastingToTank)
             {
+                if (!helpDefenseSingle) DataCenter.SetAutoStatus(AutoStatus.DefenseSingle, true);
                 if (DefenseSingleAbility(abilitiesRemaining, out act)) return true;
             }
         }