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-rw-r--r--eth/sync.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/eth/sync.go b/eth/sync.go
index b0653acf9..8784b225d 100644
--- a/eth/sync.go
+++ b/eth/sync.go
@@ -183,6 +183,7 @@ func (pm *ProtocolManager) synchronise(peer *peer) {
// The only scenario where this can happen is if the user manually (or via a
// bad block) rolled back a fast sync node below the sync point. In this case
// however it's safe to reenable fast sync.
+ atomic.StoreUint32(&pm.fastSync, 1)
mode = downloader.FastSync
}
if err := pm.downloader.Synchronise(peer.id, pHead, pTd, mode); err != nil {