diff --git a/PKHeX/Legality/Core.cs b/PKHeX/Legality/Core.cs
index edd89d91f..305290431 100644
--- a/PKHeX/Legality/Core.cs
+++ b/PKHeX/Legality/Core.cs
@@ -1045,7 +1045,7 @@ internal static IEnumerable<int> getBaseEggMoves(PKM pkm, int skipOption, GameVe
                         return LevelUpSM[index].getMoves(lvl);
                     break;
             }
-            return null;
+            return new int[0];
         }
         internal static List<int>[] getExclusiveEvolutionMoves(PKM pkm, int Species,DexLevel[][] evoChains, GameVersion Version)
         {