diff --git a/synced-pool.go b/synced-pool.go
index 2ab019d..faeea64 100644
--- a/synced-pool.go
+++ b/synced-pool.go
@@ -173,7 +173,7 @@ func NewSyncedPool(local *GrainLocalPool, hostname string, discovery Discovery)
 				return
 			}
 			for host := range ch {
-				if pool.IsKnown(host) {
+				if pool.IsKnown(host) || host == "" {
 					continue
 				}
 				go func(h string) {