diff --git a/src/main.h b/src/main.h
index b5394a09b..aaf0f794c 100644
--- a/src/main.h
+++ b/src/main.h
@@ -60,7 +60,7 @@ static const bool DEFAULT_ALERTS = true;
 /** Minimum alert priority for enabling safe mode. */
 static const int ALERT_PRIORITY_SAFE_MODE = 4000;
 /** Maximum reorg length we will accept before we shut down and alert the user. */
-static const unsigned int MAX_REORG_LENGTH = COINBASE_MATURITY - 1;
+static const unsigned int MAX_REORG_LENGTH = _COINBASE_MATURITY - 1;
 /** Maximum number of signature check operations in an IsStandard() P2SH script */
 static const unsigned int MAX_P2SH_SIGOPS = 15;
 /** The maximum number of sigops we're willing to relay/mine in a single tx */