diff --git a/bitcoin/examples/sign-tx-taproot.rs b/bitcoin/examples/sign-tx-taproot.rs
index f8fe3f02..9076c009 100644
--- a/bitcoin/examples/sign-tx-taproot.rs
+++ b/bitcoin/examples/sign-tx-taproot.rs
@@ -76,7 +76,7 @@ fn main() {
 
     // Update the witness stack.
     let signature = bitcoin::taproot::Signature { signature, sighash_type };
-    sighasher.witness_mut(input_index).unwrap().push(&signature.to_vec());
+    *sighasher.witness_mut(input_index).unwrap() = Witness::p2tr_key_spend(&signature);
 
     // Get the signed transaction.
     let tx = sighasher.into_transaction();
diff --git a/bitcoin/src/blockdata/witness.rs b/bitcoin/src/blockdata/witness.rs
index 3018e91f..69af2924 100644
--- a/bitcoin/src/blockdata/witness.rs
+++ b/bitcoin/src/blockdata/witness.rs
@@ -14,7 +14,7 @@ use crate::consensus::encode::{Error, MAX_VEC_SIZE};
 use crate::consensus::{Decodable, Encodable, WriteExt};
 use crate::crypto::ecdsa;
 use crate::prelude::*;
-use crate::taproot::TAPROOT_ANNEX_PREFIX;
+use crate::taproot::{self, TAPROOT_ANNEX_PREFIX};
 use crate::{Script, VarInt};
 
 /// The Witness is the data used to unlock bitcoin since the [segwit upgrade].
@@ -248,6 +248,13 @@ impl Witness {
         witness
     }
 
+    /// Creates a witness required to do a key path spend of a P2TR output.
+    pub fn p2tr_key_spend(signature: &taproot::Signature) -> Witness {
+        let mut witness = Witness::new();
+        witness.push_slice(&signature.serialize());
+        witness
+    }
+
     /// Creates a [`Witness`] object from a slice of bytes slices where each slice is a witness item.
     pub fn from_slice<T: AsRef<[u8]>>(slice: &[T]) -> Self {
         let witness_elements = slice.len();