diff --git a/src/plutus/data.ts b/src/plutus/data.ts
index b9022aa1..57ff44af 100644
--- a/src/plutus/data.ts
+++ b/src/plutus/data.ts
@@ -33,13 +33,11 @@ export const Data = {
   ) => {
     const bytes: Record<string, unknown> = { dataType: "bytes" };
     if (typeof options === "number") {
-      bytes.minLength = options * 2;
-      bytes.maxLength = options * 2;
+      bytes.minLength = options;
+      bytes.maxLength = options;
     } else if (options) {
       Object.entries(options).forEach(([key, value]) => {
-        bytes[key] = (key === "minLength" || key === "maxLength")
-          ? value as number * 2
-          : value;
+        bytes[key] = value;
       });
     }
     return bytes as unknown as string;
diff --git a/tests/data.test.ts b/tests/data.test.ts
index 84d8b3d7..e303d85c 100644
--- a/tests/data.test.ts
+++ b/tests/data.test.ts
@@ -52,9 +52,9 @@ Deno.test("Roundtrip data recursive $ref", () => {
 
 Deno.test("Exact bytes length", () => {
   const MyDatum = Data.Bytes(28);
-  const datum: typeof MyDatum = "00".repeat(56);
+  const datum: typeof MyDatum = "00".repeat(28);
   assert(Data.to(datum, MyDatum));
-  const wrongDatum: typeof MyDatum = "00".repeat(28);
+  const wrongDatum: typeof MyDatum = "00".repeat(20);
   let isError = false;
   try {
     Data.to(wrongDatum, MyDatum);