diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic2.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic2.cs
index 14bad4b5b..73cc77c7f 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic2.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic2.cs
@@ -71,8 +71,13 @@ protected override bool IsMatchLocation(PKM pk)
             return true;
         if (Location == 0)
             return true;
-        if (pk is ICaughtData2 {CaughtData: not 0})
-            return Location == pk.Met_Location;
+        if (pk is ICaughtData2 c2)
+        {
+            if (c2.CaughtData is not 0)
+                return Location == pk.Met_Location;
+            if (pk.Species == (int)Core.Species.Celebi)
+                return false; // Cannot reset the Met data
+        }
         return true;
     }
 
diff --git a/Tests/PKHeX.Core.Tests/Legality/Illegal/Misc/251 - CELEBI - E96B nomet notradeback.pk2 b/Tests/PKHeX.Core.Tests/Legality/Illegal/Misc/251 - CELEBI - E96B nomet notradeback.pk2
new file mode 100644
index 000000000..160d5efea
Binary files /dev/null and b/Tests/PKHeX.Core.Tests/Legality/Illegal/Misc/251 - CELEBI - E96B nomet notradeback.pk2 differ