diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 513e3ebe3c4..55ef2f5e4fc 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -4572,6 +4572,14 @@ std::optional<CKey> CWallet::GetKey(const CKeyID& keyid) const
     return std::nullopt;
 }
 
+std::optional<CExtKey> CWallet::GetExtKey(const CExtPubKey& xpub) const
+{
+    if (std::optional<CKey> key = GetKey(xpub.pubkey.GetID())) {
+        return CExtKey{xpub, *key};
+    }
+    return std::nullopt;
+}
+
 void CWallet::WriteBestBlock() const
 {
     AssertLockHeld(cs_wallet);
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 4d12c404d64..75b459848a0 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -1091,6 +1091,10 @@ public:
     //! Returns nullopt when no descriptor has the key or if the wallet is locked.
     std::optional<CKey> GetKey(const CKeyID& keyid) const;
 
+    //! Reconstruct the extended private key for an HD xpub. Returns nullopt when
+    //! no descriptor has the private key, or the wallet is locked.
+    std::optional<CExtKey> GetExtKey(const CExtPubKey& xpub) const;
+
     //! Disconnect chain notifications and wait for all notifications to be processed
     void DisconnectChainNotifications();
 };