diff --git a/Glamourer/Gui/Tabs/SettingsTab.cs b/Glamourer/Gui/Tabs/SettingsTab.cs
index 9189abc..a31a5a4 100644
--- a/Glamourer/Gui/Tabs/SettingsTab.cs
+++ b/Glamourer/Gui/Tabs/SettingsTab.cs
@@ -103,6 +103,7 @@ public class SettingsTab : ITab
             {
                 action(state);
                 _config.Codes[i] = (code, state);
+                _codeService.VerifyState();
                 _config.Save();
             }
         }
diff --git a/Glamourer/Services/CodeService.cs b/Glamourer/Services/CodeService.cs
index af94ab0..971c1bd 100644
--- a/Glamourer/Services/CodeService.cs
+++ b/Glamourer/Services/CodeService.cs
@@ -45,7 +45,8 @@ public class CodeService
             }
             else
             {
-                enabled(_config.Codes[i].Enabled);
+                var value = _config.Codes[i].Enabled;
+                enabled(value);
             }
         }
 
@@ -87,6 +88,46 @@ public class CodeService
         };
     }
 
+    public void VerifyState()
+    {
+        if (EnabledSizing == Sizing.None && EnabledOops == Race.Unknown)
+            return;
+
+        for (var i = 0; i < _config.Codes.Count; ++i)
+        {
+            var (code, enabled) = _config.Codes[i];
+            if (!enabled)
+                continue;
+
+            using var stream = new MemoryStream(Encoding.UTF8.GetBytes(code));
+            var       sha    = (ReadOnlySpan<byte>)_hasher.ComputeHash(stream);
+            var _ = EnabledSizing switch
+            {
+                Sizing.Dwarf when sha.SequenceEqual(CodeGiant) => _config.Codes[i] = (code, false),
+                Sizing.Giant when sha.SequenceEqual(CodeDwarf) => _config.Codes[i] = (code, false),
+                _                                              => (string.Empty, false),
+            };
+
+            var race = OopsRace(sha);
+            if (race is not Race.Unknown && race != EnabledOops)
+                _config.Codes[i] = (code, false);
+        }
+    }
+
+    private static Race OopsRace(ReadOnlySpan<byte> sha)
+        => sha switch
+        {
+            _ when CodeOops1.SequenceEqual(sha) => Race.Hyur,
+            _ when CodeOops2.SequenceEqual(sha) => Race.Elezen,
+            _ when CodeOops3.SequenceEqual(sha) => Race.Lalafell,
+            _ when CodeOops4.SequenceEqual(sha) => Race.Miqote,
+            _ when CodeOops5.SequenceEqual(sha) => Race.Roegadyn,
+            _ when CodeOops6.SequenceEqual(sha) => Race.AuRa,
+            _ when CodeOops7.SequenceEqual(sha) => Race.Hrothgar,
+            _ when CodeOops8.SequenceEqual(sha) => Race.Viera,
+            _                                   => Race.Unknown,
+        };
+
     // @formatter:off
     private static ReadOnlySpan<byte> CodeClown      => new byte[] { 0xC4, 0xEE, 0x1D, 0x6F, 0xC5, 0x5D, 0x47, 0xBE, 0x78, 0x63, 0x66, 0x86, 0x81, 0x15, 0xEB, 0xFA, 0xF6, 0x4A, 0x90, 0xEA, 0xC0, 0xE4, 0xEE, 0x86, 0x69, 0x01, 0x8E, 0xDB, 0xCC, 0x69, 0xD1, 0xBD };
     private static ReadOnlySpan<byte> CodeEmperor    => new byte[] { 0xE2, 0x2D, 0x3E, 0x57, 0x16, 0x82, 0x65, 0x98, 0x7E, 0xE6, 0x8F, 0x45, 0x14, 0x7D, 0x65, 0x31, 0xE9, 0xD8, 0xDB, 0xEA, 0xDC, 0xBF, 0xEE, 0x2A, 0xBA, 0xD5, 0x69, 0x96, 0x78, 0x34, 0x3B, 0x57 };