diff --git a/eth/config.go b/eth/config.go
index 9ac99c6c66..9c3f8b0fb2 100644
--- a/eth/config.go
+++ b/eth/config.go
@@ -33,7 +33,7 @@ import (
 
 // DefaultConfig contains default settings for use on the Ethereum main net.
 var DefaultConfig = Config{
-	SyncMode:             downloader.FullSync,
+	SyncMode:             downloader.FastSync,
 	EthashCachesInMem:    2,
 	EthashCachesOnDisk:   3,
 	EthashDatasetsInMem:  1,