diff --git a/bip-taproot.mediawiki b/bip-taproot.mediawiki
index 2e8b43b1..0b6c04ad 100644
--- a/bip-taproot.mediawiki
+++ b/bip-taproot.mediawiki
@@ -203,7 +203,7 @@ def taproot_output_script(internal_pubkey, script_tree):
     t = tagged_hash("TapTweak", internal_pubkey.get_bytes() + h)
     assert int.from_bytes(t, 'big') < SECP256K1_ORDER
     output_pubkey = internal_pubkey.tweak_add(t).get_bytes()
-    return bytes([0x01, 0x21, output_pubkey[0] & 1]) + output_pubkey[1:]
+    return bytes([0x51, 0x21, output_pubkey[0] & 1]) + output_pubkey[1:]
 </source>
 
 The function <code>taproot_output_script</code> returns a byte array with the scriptPubKey. It can be P2SH wrapped if desired (see BIP141).