diff --git a/miner/miner.go b/miner/miner.go
index 7546b79e6..4464e3654 100644
--- a/miner/miner.go
+++ b/miner/miner.go
@@ -37,7 +37,7 @@ type api struct {
 func NewMiner(api api) *Miner {
 	return &Miner{
 		api:   api,
-		Delay: build.BlockDelay,
+		Delay: build.BlockDelay * time.Second,
 	}
 }