diff --git a/lib/mining/template.js b/lib/mining/template.js
index d03dd85e..03e0d631 100644
--- a/lib/mining/template.js
+++ b/lib/mining/template.js
@@ -287,21 +287,21 @@ BlockTemplate.prototype.createCoinbase = function createCoinbase(hash) {
 
   // Reserved size.
   // Without segwit:
-  //   CB weight = 500
+  //   CB weight = 504
   //   CB stripped size = 125
   //   CB size = 125
   //   Sigops cost = 4
   // With segwit:
-  //   CB weight = 724
+  //   CB weight = 728
   //   CB stripped size = 172
   //   CB size = 208
   //   Sigops cost = 4
   if (!this.witness) {
-    assert.strictEqual(cb.getWeight() + padding * scale, 500);
+    assert.strictEqual(cb.getWeight() + padding * scale, 504);
     assert.strictEqual(cb.getBaseSize() + padding, 125);
     assert.strictEqual(cb.getSize() + padding, 125);
   } else {
-    assert.strictEqual(cb.getWeight() + padding * scale, 724);
+    assert.strictEqual(cb.getWeight() + padding * scale, 728);
     assert.strictEqual(cb.getBaseSize() + padding, 172);
     assert.strictEqual(cb.getSize() + padding, 208);
   }