diff --git a/eth/filters/api.go b/eth/filters/api.go
index 30d7b71c31..d2ee2fa6b2 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -87,6 +87,7 @@ func (api *PublicFilterAPI) timeoutLoop() {
 			case <-f.deadline.C:
 				f.s.Unsubscribe()
 				delete(api.filters, id)
+				go f.deadline.Stop()
 			default:
 				continue
 			}