diff --git a/lib/sectorbuilder/sectorbuilder.go b/lib/sectorbuilder/sectorbuilder.go
index c8f0a1e1c..04c5bc0a4 100644
--- a/lib/sectorbuilder/sectorbuilder.go
+++ b/lib/sectorbuilder/sectorbuilder.go
@@ -21,7 +21,7 @@ import (
 )
 
 const PoStReservedWorkers = 1
-const PoRepProofPartitions = 2
+const PoRepProofPartitions = 10
 
 var lastSectorIdKey = datastore.NewKey("/sectorbuilder/last")