diff --git a/PKHeX.Core/Legality/Tables/FormInfo.cs b/PKHeX.Core/Legality/Tables/FormInfo.cs
index 2ecf9780a..0af079611 100644
--- a/PKHeX.Core/Legality/Tables/FormInfo.cs
+++ b/PKHeX.Core/Legality/Tables/FormInfo.cs
@@ -282,6 +282,7 @@ public static bool IsFormChangeable(ushort species, byte oldForm, byte newForm,
         (int)Barbaracle,
         (int)Dragalge,
         (int)Hawlucha,
+        (int)Zygarde,
         (int)Drampa,
         (int)Falinks,