1 files changed, 2 insertions, 1 deletions
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index d644dd2327..2e7f64a444 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -242,7 +242,8 @@ CBlock TestChain100Setup::CreateAndProcessBlock(const std::vector<CMutableTransa
     for (const CMutableTransaction& tx : txns) {
         block.vtx.push_back(MakeTransactionRef(tx));
     }
-    RegenerateCommitments(block, WITH_LOCK(::cs_main, return std::ref(g_chainman.m_blockman)));
+    CBlockIndex* prev_block = WITH_LOCK(::cs_main, return g_chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock));
+    RegenerateCommitments(block, prev_block);
 
     while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;