diff --git a/worker/agent.go b/worker/agent.go
index 3996a61..fd70df6 100644
--- a/worker/agent.go
+++ b/worker/agent.go
@@ -143,10 +143,14 @@ func (a *agent) Grab() {
 	a.grab()
 }
 
-func (a *agent) grab() {
+func (a *agent) grab() bool {
+	if a.worker.closed != nil {
+		return false
+	}
 	outpack := getOutPack()
 	outpack.dataType = dtGrabJobUniq
 	a.write(outpack)
+	return true
 }
 
 func (a *agent) PreSleep() {
@@ -169,9 +173,10 @@ func (a *agent) reconnect() error {
 		bufio.NewWriter(a.conn))
 
 	a.worker.reRegisterFuncsForAgent(a)
-	a.grab()
+	if a.grab() {
+		go a.work()
+	}
 
-	go a.work()
 	return nil
 }
 
diff --git a/worker/worker.go b/worker/worker.go
index 0ea022f..c17c9fc 100644
--- a/worker/worker.go
+++ b/worker/worker.go
@@ -344,7 +344,7 @@ func (worker *Worker) exec(inpack *inPack) (err error) {
 	}
 	outpack.handle = inpack.handle
 	outpack.data = r.data
-	err = inpack.a.Write(outpack)
+	_ = inpack.a.Write(outpack)
 	if worker.leftJobs != nil {
 		worker.leftJobs <- struct{}{}
 	}