diff --git a/PKHeX.Core/Legality/Core.cs b/PKHeX.Core/Legality/Core.cs
index 83139d083..fc7d7c125 100644
--- a/PKHeX.Core/Legality/Core.cs
+++ b/PKHeX.Core/Legality/Core.cs
@@ -1397,5 +1397,15 @@ namespace PKHeX.Core
                 return s == GameVersion.Stadium2 ? 2000 : 1999;
             return 2000;
         }
+
+        public static int GetNicknameOTMaxLength(int gen, LanguageID lang)
+        {
+            switch (lang)
+            {
+                case LanguageID.Korean:
+                case LanguageID.Japanese: return gen >= 6 ? 6 : 5;
+                default: return gen >= 6 ? 12 : 6;
+            }
+        }
     }
 }
diff --git a/PKHeX.Core/Legality/Verifiers/NicknameVerifier.cs b/PKHeX.Core/Legality/Verifiers/NicknameVerifier.cs
index 1e67c6c12..9dd7a15c5 100644
--- a/PKHeX.Core/Legality/Verifiers/NicknameVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/NicknameVerifier.cs
@@ -75,7 +75,7 @@ namespace PKHeX.Core
                     data.AddLine(GetInvalid(V222));
                     return true;
                 }
-                if (nickname.Length > GetNicknameMaxLength(data.Info.Generation, (LanguageID)pkm.Language))
+                if (nickname.Length > Legal.GetNicknameOTMaxLength(data.Info.Generation, (LanguageID)pkm.Language))
                 {
                     data.AddLine(GetInvalid(V1));
                     return true;
@@ -177,7 +177,7 @@ namespace PKHeX.Core
             else if (pkm.Korean && StringConverter.GetIsG2Korean(str))
             {
                 if (str.Length > 5)
-                    data.AddLine(GetInvalid(V38));
+                    data.AddLine(GetInvalid(V1));
             }
             else
             {
@@ -417,15 +417,5 @@ namespace PKHeX.Core
                 return true;
             return ((EncounterTrade)EncounterMatch).IsNicknamed;
         }
-
-        private static int GetNicknameMaxLength(int gen, LanguageID lang)
-        {
-            switch (lang)
-            {
-                case LanguageID.Korean:
-                case LanguageID.Japanese: return gen >= 6 ? 6 : 5;
-                default: return gen >= 6 ? 12 : 6;
-            }
-        }
     }
 }
diff --git a/PKHeX.Core/Legality/Verifiers/TrainerNameVerifier.cs b/PKHeX.Core/Legality/Verifiers/TrainerNameVerifier.cs
index af2db829b..a94faeb34 100644
--- a/PKHeX.Core/Legality/Verifiers/TrainerNameVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/TrainerNameVerifier.cs
@@ -58,6 +58,8 @@ namespace PKHeX.Core
 
             if (pkm.VC)
                 VerifyOTG1(data);
+            else if (ot.Length > Legal.GetNicknameOTMaxLength(data.Info.Generation, (LanguageID)pkm.Language))
+                data.AddLine(GetInvalid(V38));
 
             if (Legal.CheckWordFilter)
             {