diff --git a/PKHeX.WinForms/MainWindow/MainPK7.cs b/PKHeX.WinForms/MainWindow/MainPK7.cs
index 56b4c727e..df8660054 100644
--- a/PKHeX.WinForms/MainWindow/MainPK7.cs
+++ b/PKHeX.WinForms/MainWindow/MainPK7.cs
@@ -185,6 +185,7 @@ namespace PKHeX.WinForms
             pk7.SID = Util.ToInt32(TB_SID.Text);
             pk7.EXP = Util.ToUInt32(TB_EXP.Text);
 
+            if (CB_Ability.Text.Length >= 4)
             {
                 pk7.Ability = (byte)Array.IndexOf(GameInfo.Strings.abilitylist, CB_Ability.Text.Remove(CB_Ability.Text.Length - 4));
                 pk7.AbilityNumber = Util.ToInt32(TB_AbilityNumber.Text);   // Number