diff --git a/lib/HistoricSync.js b/lib/HistoricSync.js
index f9d3d0a9..b33b4bd8 100644
--- a/lib/HistoricSync.js
+++ b/lib/HistoricSync.js
@@ -142,13 +142,17 @@ function spec() {
         }
 
         if (opts.upToExisting && existed ) {
-          if (self.syncInfo.blocksToSync <= self.syncInfo.syncedBlocks) {
+          var diff = self.syncInfo.blocksToSync - self.syncInfo.syncedBlocks;
+          if (diff <= 0) {
             self.status = 'finished';
             p('DONE. Found existing block: ', blockHash);
             return cb(err);
           }
           else {
-            p('WARN found target block\n\tbut blockChain Height is still higher that ours. Previous light sync must be interrupted.\n\tWill keep syncing.', self.syncInfo.syncedBlocks);
+            self.syncInfo.skipped_blocks = self.syncInfo.skipped_blocks || 1;
+            if ((self.syncInfo.skipped_blocks++ % 1000) === 1 ) {
+              p('WARN found target block\n\tbut blockChain Height is still higher that ours. Previous light sync must be interrupted.\n\tWill keep syncing.', self.syncInfo.syncedBlocks, self.syncInfo.blocksToSync, self.syncInfo.skipped_blocks);
+            }
           }
         }
 
@@ -161,7 +165,7 @@ function spec() {
 
         // Continue
         if (blockInfo && blockInfo.result) {
-          self.syncInfo.syncedBlocks++;
+          if (! existed) self.syncInfo.syncedBlocks++;
           if (opts.prev && blockInfo.result.previousblockhash) {
             return self.getPrevNextBlock(blockInfo.result.previousblockhash, blockEnd, opts, cb);
           }