diff --git a/lib/puzzle.ts b/lib/puzzle.ts
index dd2477c..29222d6 100644
--- a/lib/puzzle.ts
+++ b/lib/puzzle.ts
@@ -87,6 +87,10 @@ export class Puzzle {
         {
           satoshis: 0,
           script: bsv.Script(new bsv.Address(receiveAddress)).toBuffer()
+        },
+        {
+          satoshis: 0,
+          script: bsv.Script.buildSafeDataOut(['boostpow', 'proof']).toBuffer()
         }
       ]
     }
diff --git a/test/boost-pow-job.test.js b/test/boost-pow-job.test.js
index 35a754b..376e3c4 100644
--- a/test/boost-pow-job.test.js
+++ b/test/boost-pow-job.test.js
@@ -518,13 +518,14 @@ describe("boost #BoostPowJob createRedeemTransaction", () => {
 
     let expected_tx = (
       "010000000118a53177a5852a9a516c3595ac488febe18c349b44745e494510" +
-      "a288a545b54e0000000098483045022100aa9c8d5cd3b975e00305122b9ce5" +
-      "ce965565f4e36f6dce24870da45fb153636102201aa4ddcd5fa69b73ff498d" +
-      "309de137c5c0c82b32ddd3b864aabe96973e4afc414121020370f418d21765" +
+      "a288a545b54e0000000098483045022100d447110684b8fa1b9071be6efbda" +
+      "80f26107a7dacf4ad143963780dd952f730002202735d07575e917b13ae8b8" +
+      "a8527455f754db8cc42b74332429be1f1d35c100a44121020370f418d21765" +
       "b33bc093db143aa1dd5cfefc97275652dc8396c2d567f93d6504e069a11c04" +
       "81c06d5e08bf07000000000000040a00000a149fb8cb68b8850a13c7438e26" +
-      "e1d277b748be657affffffff014d200000000000001976a9140bed1b97a1ec" +
-      "681cf100ee8b11800a54b39b9fda88ac00000000")
+      "e1d277b748be657affffffff0248200000000000001976a9140bed1b97a1ec" +
+      "681cf100ee8b11800a54b39b9fda88ac000000000000000011006a08626f6f" +
+      "7374706f770570726f6f6600000000")
 
     let sats_per_byte = .2
 
diff --git a/test/create-redeem-tx.test.js b/test/create-redeem-tx.test.js
index f8b5f13..33cadb8 100644
--- a/test/create-redeem-tx.test.js
+++ b/test/create-redeem-tx.test.js
@@ -42,13 +42,14 @@ describe("boost Puzzle createRedeemTransaction", () => {
 
     let expected_tx = (
       "010000000118a53177a5852a9a516c3595ac488febe18c349b44745e494510" +
-      "a288a545b54e0000000098483045022100aa9c8d5cd3b975e00305122b9ce5" +
-      "ce965565f4e36f6dce24870da45fb153636102201aa4ddcd5fa69b73ff498d" +
-      "309de137c5c0c82b32ddd3b864aabe96973e4afc414121020370f418d21765" +
+      "a288a545b54e0000000098483045022100d447110684b8fa1b9071be6efbda" +
+      "80f26107a7dacf4ad143963780dd952f730002202735d07575e917b13ae8b8" +
+      "a8527455f754db8cc42b74332429be1f1d35c100a44121020370f418d21765" +
       "b33bc093db143aa1dd5cfefc97275652dc8396c2d567f93d6504e069a11c04" +
       "81c06d5e08bf07000000000000040a00000a149fb8cb68b8850a13c7438e26" +
-      "e1d277b748be657affffffff014d200000000000001976a9140bed1b97a1ec" +
-      "681cf100ee8b11800a54b39b9fda88ac00000000")
+      "e1d277b748be657affffffff0248200000000000001976a9140bed1b97a1ec" +
+      "681cf100ee8b11800a54b39b9fda88ac000000000000000011006a08626f6f" +
+      "7374706f770570726f6f6600000000")
 
     let wif = "5d5c870220eeb18afe8a498324013955c316cbaaed2a824e5230362c36964c27"
     let sats_per_byte = .2