diff --git a/lib/services/db/sync.js b/lib/services/db/sync.js
index ed9a5348..c2a0b24d 100644
--- a/lib/services/db/sync.js
+++ b/lib/services/db/sync.js
@@ -52,7 +52,7 @@ Sync.prototype.initialSync = function() {
 };
 
 // Get concurrent and serial block operations and write them together block by block
-// Useful for when we are fully synced and we want to advance the concurrentTip and 
+// Useful for when we are fully synced and we want to advance the concurrentTip and
 // the tip together
 Sync.prototype.sync = function() {
   if(this.syncing) {
@@ -255,7 +255,7 @@ ProcessSerial.prototype._write = function(block, enc, callback) {
     return self._process(block, callback);
   }
 
-  self.db.once('concurrentblock', function() {
+  self.db.once('concurrentaddblock', function() {
     if(!check()) {
       var err = new Error('Concurrent block ' + self.db.concurrentTip.__height + ' is less than ' + block.__height);
       return self.emit('error', err);
@@ -383,4 +383,4 @@ WriteStream.prototype._write = function(obj, enc, callback) {
   });
 };
 
-module.exports = Sync;
\ No newline at end of file
+module.exports = Sync;