diff --git a/src/value/transform/decode.ts b/src/value/transform/decode.ts
index 3169293a..ef63096a 100644
--- a/src/value/transform/decode.ts
+++ b/src/value/transform/decode.ts
@@ -75,6 +75,7 @@ function Default(schema: TSchema, value: any) {
   try {
     return IsTransform(schema) ? schema[TransformKind].Decode(value) : value
   } catch (error) {
+    if (error instanceof TypeBoxError) throw error
     throw new TransformDecodeError(schema, value, error)
   }
 }
diff --git a/src/value/transform/encode.ts b/src/value/transform/encode.ts
index 695a7ea7..342ed261 100644
--- a/src/value/transform/encode.ts
+++ b/src/value/transform/encode.ts
@@ -74,6 +74,7 @@ function Default(schema: TSchema, value: any) {
   try {
     return IsTransform(schema) ? schema[TransformKind].Encode(value) : value
   } catch (error) {
+    if (error instanceof TypeBoxError) throw error
     throw new TransformEncodeError(schema, value, error)
   }
 }