1 files changed, 2 insertions, 2 deletions
diff --git a/src/consensus/merkle.cpp b/src/consensus/merkle.cpp
index 1ce5a9d87e..798ce4b5fd 100644
--- a/src/consensus/merkle.cpp
+++ b/src/consensus/merkle.cpp
@@ -132,13 +132,13 @@ static void MerkleComputation(const std::vector<uint256>& leaves, uint256* proot
 
 uint256 ComputeMerkleRoot(const std::vector<uint256>& leaves, bool* mutated) {
     uint256 hash;
-    MerkleComputation(leaves, &hash, mutated, -1, NULL);
+    MerkleComputation(leaves, &hash, mutated, -1, nullptr);
     return hash;
 }
 
 std::vector<uint256> ComputeMerkleBranch(const std::vector<uint256>& leaves, uint32_t position) {
     std::vector<uint256> ret;
-    MerkleComputation(leaves, NULL, NULL, position, &ret);
+    MerkleComputation(leaves, nullptr, nullptr, position, &ret);
     return ret;
 }