diff --git a/PKHeX.Core/Legality/Checks.cs b/PKHeX.Core/Legality/Checks.cs
index 152ab18bc..c46879a21 100644
--- a/PKHeX.Core/Legality/Checks.cs
+++ b/PKHeX.Core/Legality/Checks.cs
@@ -667,7 +667,7 @@ private void VerifyG1OTWithinBounds(string str)
                 if (str.Length > 5)
                     AddLine(Severity.Invalid, V38, CheckIdentifier.Trainer);
             }
-            else if (pkm is PK2 pk2 && pk2.Korean)
+            else if (pkm.Korean && StringConverter.GetIsG2Korean(str))
             {
                 if (str.Length > 5)
                     AddLine(Severity.Invalid, V38, CheckIdentifier.Trainer);
@@ -689,6 +689,11 @@ private void VerifyG1NicknameWithinBounds(string str)
                 if (str.Length > 5)
                     AddLine(Severity.Invalid, V1, CheckIdentifier.Trainer);
             }
+            else if (pkm.Korean && StringConverter.GetIsG2Korean(str))
+            {
+                if (str.Length > 5)
+                    AddLine(Severity.Invalid, V38, CheckIdentifier.Trainer);
+            }
             else
             {
                 AddLine(Severity.Invalid, V422, CheckIdentifier.Trainer);