diff --git a/PKHeX.Core/Legality/Encounters/Generator/ByGeneration/Lump/EncounterGenerator9X.cs b/PKHeX.Core/Legality/Encounters/Generator/ByGeneration/Lump/EncounterGenerator9X.cs
index e8f3e5fca..f6ac3d798 100644
--- a/PKHeX.Core/Legality/Encounters/Generator/ByGeneration/Lump/EncounterGenerator9X.cs
+++ b/PKHeX.Core/Legality/Encounters/Generator/ByGeneration/Lump/EncounterGenerator9X.cs
@@ -29,6 +29,7 @@ public IEnumerable<IEncounterable> GetEncounters(PKM pk, LegalInfo info)
         ZA => EncounterGenerator9a.Instance.GetEncounters(pk, chain, info),
         SL or VL => EncounterGenerator9.Instance.GetEncounters(pk, chain, info),
         0 when pk.IsEgg => EncounterGenerator9.Instance.GetEncounters(pk, chain, info), // 0 for eggs
+        SW or SH => EncounterGenerator8X.Instance.GetEncounters(pk, chain, info), // Backwards transfers to SW/SH that are recognized as being from Gen9
         _ => [],
     };
 }