diff --git a/PKHeX.Core/PKM/Shared/GBPKML.cs b/PKHeX.Core/PKM/Shared/GBPKML.cs
index f75166b9f..a2237d901 100644
--- a/PKHeX.Core/PKM/Shared/GBPKML.cs
+++ b/PKHeX.Core/PKM/Shared/GBPKML.cs
@@ -10,7 +10,7 @@ public abstract class GBPKML : GBPKM
         internal const int STRLEN_U = 11;
         public sealed override int OTLength => Japanese ? 5 : 7;
         public sealed override int NickLength => Japanese ? 5 : 10;
-
+        private int StringLength => Japanese ? STRLEN_J : STRLEN_U;
         public sealed override bool Japanese => otname.Length == STRLEN_J;
 
         internal readonly byte[] otname;
@@ -75,7 +75,7 @@ public sealed override string Nickname
                 if (!IsNicknamed && Nickname == value)
                     return;
 
-                Nickname_Trash = GetStringSpecial(value, Nickname_Trash.Length);
+                GetStringSpecial(value, StringLength).CopyTo(nick, 0);
             }
         }
 
@@ -87,7 +87,7 @@ public sealed override string OT_Name
                     return StringConverter2KOR.GetString2KOR(otname, 0, otname.Length);
                 return StringConverter12.GetString1(otname, 0, otname.Length, Japanese);
             }
-            set => OT_Trash = GetStringSpecial(value, OT_Trash.Length);
+            set => GetStringSpecial(value, StringLength).CopyTo(otname, 0);
         }
 
         private byte[] GetStringSpecial(string value, int length)