diff --git a/lib/services/db/sync.js b/lib/services/db/sync.js
index 5d22fe12..5ca6d1e2 100644
--- a/lib/services/db/sync.js
+++ b/lib/services/db/sync.js
@@ -256,7 +256,7 @@ ProcessSerial.prototype._write = function(block, enc, callback) {
   });
 
   function check() {
-    return self.db.concurrentTip.__height < block.__height;
+    return self.db.concurrentTip.__height >= block.__height;
   }
 };