diff --git a/PKHeX.Core/Saves/SAV4HGSS.cs b/PKHeX.Core/Saves/SAV4HGSS.cs
index a0f0e29ec..10451f680 100644
--- a/PKHeX.Core/Saves/SAV4HGSS.cs
+++ b/PKHeX.Core/Saves/SAV4HGSS.cs
@@ -228,6 +228,6 @@ public bool[] PokewalkerCoursesUnlocked
             }
         }
 
-        public void PokewalkerCoursesUnlockAll() => SetData(BitConverter.GetBytes(0x07FF_FFFFu), OFS_WALKER);
+        public void PokewalkerCoursesUnlockAll() => SetData(General, BitConverter.GetBytes(0x07FF_FFFFu), OFS_WALKER);
     }
 }
\ No newline at end of file