diff --git a/beacon-chain/node/node.go b/beacon-chain/node/node.go
index 057b2792677d..ade9599fbcb8 100644
--- a/beacon-chain/node/node.go
+++ b/beacon-chain/node/node.go
@@ -742,6 +742,7 @@ func (b *BeaconNode) registerSlasherService() error {
 		SlashingPoolInserter:    b.slashingsPool,
 		SyncChecker:             syncService,
 		HeadStateFetcher:        chainService,
+		ClockWaiter:             b.clockWaiter,
 	})
 	if err != nil {
 		return err