1 files changed, 1 insertions, 0 deletions
diff --git a/src/validation.h b/src/validation.h
index 95c31bf0fc..b51ad9fc76 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -166,6 +166,7 @@ extern uint64_t nLastBlockWeight;
 extern const std::string strMessageMagic;
 extern CWaitableCriticalSection csBestBlock;
 extern CConditionVariable cvBlockChange;
+extern uint256 hashBestBlock;
 extern std::atomic_bool fImporting;
 extern std::atomic_bool fReindex;
 extern int nScriptCheckThreads;