diff --git a/ants.go b/ants.go
index 4abef68..ba16dbe 100644
--- a/ants.go
+++ b/ants.go
@@ -1,8 +1,6 @@
 package ants
 
-import "math"
-
-const DEFAULT_POOL_SIZE = math.MaxInt32
+const DEFAULT_POOL_SIZE = 10000
 
 var defaultPool = NewPool(DEFAULT_POOL_SIZE)
 
diff --git a/pool.go b/pool.go
index 1a27abf..297b400 100644
--- a/pool.go
+++ b/pool.go
@@ -105,18 +105,18 @@ func (p *Pool) newWorker() *Worker {
 		exit: make(chan sig),
 	}
 	worker.run()
+	atomic.AddInt32(&p.running, 1)
 	return worker
 }
 
 func (p *Pool) getWorker() *Worker {
-	defer atomic.AddInt32(&p.running, 1)
 	if w := p.workers.pop(); w != nil {
 		return w.(*Worker)
 	}
 	return p.newWorker()
 }
 
-func (p *Pool) PutWorker(worker *Worker) {
+func (p *Pool) putWorker(worker *Worker) {
 	p.workers.push(worker)
 	if p.reachLimit() {
 		p.freeSignal <- sig{}
diff --git a/worker.go b/worker.go
index 3131f83..21240cc 100644
--- a/worker.go
+++ b/worker.go
@@ -18,7 +18,7 @@ func (w *Worker) run() {
 			select {
 			case f := <-w.task:
 				f()
-				w.pool.workers.push(w)
+				w.pool.putWorker(w)
 				w.pool.wg.Done()
 			case <-w.exit:
 				atomic.AddInt32(&w.pool.running, -1)
@@ -58,7 +58,7 @@ func (q *ConcurrentQueue) push(v interface{}) {
 func (q *ConcurrentQueue) pop() interface{} {
 	defer q.m.Unlock()
 	q.m.Lock()
-	if elem := q.queue.Back(); elem != nil{
+	if elem := q.queue.Back(); elem != nil {
 		return q.queue.Remove(elem)
 	}
 	return nil