diff --git a/PKHeX/Saves/SAV4.cs b/PKHeX/Saves/SAV4.cs
index e1bbfded8..4293d4ce8 100644
--- a/PKHeX/Saves/SAV4.cs
+++ b/PKHeX/Saves/SAV4.cs
@@ -74,7 +74,7 @@ private static int[][] getCHKOffsets(GameVersion g)
                 case GameVersion.Pt:
                     return new[] {new[] {0x0000, 0xCF18, 0xCF2A}, new[] {0xCF2C, 0x1F0FC, 0x1F10E}};
                 case GameVersion.HGSS:
-                    return new[] {new[] {0x0000, 0xF618, 0xF626}, new[] {0xF700, 0x12300, 0x21A0E}};
+                    return new[] {new[] {0x0000, 0xF618, 0xF626}, new[] {0xF700, 0x21A00, 0x21A0E}};
                     
                 default:
                     return null;