diff --git a/src/test/txvalidationcache_tests.cpp b/src/test/txvalidationcache_tests.cpp
index af0090cc10..18c1c67450 100644
--- a/src/test/txvalidationcache_tests.cpp
+++ b/src/test/txvalidationcache_tests.cpp
@@ -13,7 +13,7 @@
 
 #include <boost/test/unit_test.hpp>
 
-bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const CCoinsViewCache &inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks);
+bool CheckInputScripts(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck>* pvChecks) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 
 BOOST_AUTO_TEST_SUITE(txvalidationcache_tests)
 
diff --git a/src/validation.cpp b/src/validation.cpp
index 31609ea3e5..7f5b3e0b22 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -198,7 +198,7 @@ CBlockIndex* BlockManager::FindForkInGlobalIndex(const CChain& chain, const CBlo
 
 std::unique_ptr<CBlockTreeDB> pblocktree;
 
-bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const CCoinsViewCache &inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks = nullptr);
+bool CheckInputScripts(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck>* pvChecks = nullptr) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 static FILE* OpenUndoFile(const FlatFilePos &pos, bool fReadOnly = false);
 static FlatFileSeq BlockFileSeq();
 static FlatFileSeq UndoFileSeq();
@@ -1450,7 +1450,7 @@ void InitScriptExecutionCache() {
  *
  * Non-static (and re-declared) in src/test/txvalidationcache_tests.cpp
  */
-bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const CCoinsViewCache &inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
+bool CheckInputScripts(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck>* pvChecks)
 {
     if (tx.IsCoinBase()) return true;