diff --git a/lib/crypto/crypto.js b/lib/crypto/crypto.js
index db07d874..9447ff08 100644
--- a/lib/crypto/crypto.js
+++ b/lib/crypto/crypto.js
@@ -559,6 +559,9 @@ crypto.checkMerkleBranch = function checkMerkleBranch(hash, branch, index) {
   return hash;
 };
 
+if (native)
+  crypto.checkMerkleBranch = native.checkMerkleBranch;
+
 /**
  * Generate some random bytes.
  * @function