diff --git a/PKHeX.Core/Legality/Checks.cs b/PKHeX.Core/Legality/Checks.cs
index d8322ed31..11919e8e4 100644
--- a/PKHeX.Core/Legality/Checks.cs
+++ b/PKHeX.Core/Legality/Checks.cs
@@ -2112,7 +2112,7 @@ private void VerifyForm()
                         AddLine(Severity.Invalid, V310, CheckIdentifier.Form);
                         return;
                     }
-                    if (pkm.AltForm != 0 ^ Type == typeof(MysteryGift)) // Formes are not breedable
+                    if (pkm.AltForm != 0 && Type != typeof(MysteryGift)) // Formes are not breedable, MysteryGift already checked
                     {
                         AddLine(Severity.Invalid, string.Format(V304, 0, pkm.AltForm), CheckIdentifier.Form);
                         return;