diff --git a/PKHeX/Legality/Core.cs b/PKHeX/Legality/Core.cs
index 834beef14..a1cae9732 100644
--- a/PKHeX/Legality/Core.cs
+++ b/PKHeX/Legality/Core.cs
@@ -259,6 +259,8 @@ internal static EncounterStatic getValidStaticEncounter(PKM pkm)
                     continue;
                 if (e.Level != pkm.Met_Level)
                     continue;
+                if (e.Form != pkm.AltForm && !FormChange.Contains(pkm.Species))
+                    continue;
 
                 // Defer to EC/PID check
                 // if (e.Shiny != null && e.Shiny != pkm.IsShiny)