1 files changed, 1 insertions, 2 deletions
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index f92e4c4b99..f53c505e7c 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -246,8 +246,7 @@ CBlock TestChain100Setup::CreateAndProcessBlock(const std::vector<CMutableTransa
     for (const CMutableTransaction& tx : txns) {
         block.vtx.push_back(MakeTransactionRef(tx));
     }
-    CBlockIndex* prev_block = WITH_LOCK(::cs_main, return g_chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock));
-    RegenerateCommitments(block, prev_block);
+    RegenerateCommitments(block, *Assert(m_node.chainman));
 
     while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;