diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp
index 2453d8eccf..7ee246bce5 100644
--- a/src/index/txindex.cpp
+++ b/src/index/txindex.cpp
@@ -54,6 +54,7 @@ TxIndex::TxIndex(std::unique_ptr<interfaces::Chain> chain, size_t n_cache_size,
 TxIndex::~TxIndex() {}

 bool TxIndex::WriteBlock(const CBlock &block, const CBlockIndex *pindex) {
+    std::this_thread::sleep_for(0.5s);
     // Exclude genesis block transaction because outputs are not spendable.
     if (pindex->nHeight == 0) {
         return true;