diff --git a/libnetwork/drivers/overlay/ov_network.go b/libnetwork/drivers/overlay/ov_network.go
index 529f5297d6..03726d9574 100644
--- a/libnetwork/drivers/overlay/ov_network.go
+++ b/libnetwork/drivers/overlay/ov_network.go
@@ -319,7 +319,7 @@ func (n *network) joinSandbox(s *subnet, restore bool, incJoinCount bool) error
 	defer func() {
 		n.Unlock()
 		if doInitPeerDB {
-			n.driver.initSandboxPeerDB(n.id)
+			go n.driver.initSandboxPeerDB(n.id)
 		}
 	}()