diff --git a/lib/blockManager.js b/lib/blockManager.js
index 5026474..de4c660 100644
--- a/lib/blockManager.js
+++ b/lib/blockManager.js
@@ -465,7 +465,7 @@ function blockScanner() {
         }
         debug("Parsing data for new blocks");
         lastBlock = blockHeader.height;
-        range.range(0, (blockHeader.height - global.config.payout.blocksRequired)).forEach(function (blockID) {
+        range.range(0, (blockHeader.height - Math.floor(global.config.payout.blocksRequired/2))).forEach(function (blockID) {
             if (!blockIDCache.hasOwnProperty(blockID)) {
                 inc_check += 1;
                 blockQueue.push({blockID: blockID}, function (err) {