diff --git a/pool.go b/pool.go
index cff7488..3eca571 100644
--- a/pool.go
+++ b/pool.go
@@ -207,8 +207,8 @@ func (p *Pool) retrieveWorker() *Worker {
 				pool: p,
 				task: make(chan f, workerChanCap),
 			}
-			w.run()
 		}
+		w.run()
 	} else {
 		for {
 			p.cond.Wait()
diff --git a/pool_func.go b/pool_func.go
index d0a5cd3..2f29255 100644
--- a/pool_func.go
+++ b/pool_func.go
@@ -211,8 +211,8 @@ func (p *PoolWithFunc) retrieveWorker() *WorkerWithFunc {
 				pool: p,
 				args: make(chan interface{}, workerChanCap),
 			}
-			w.run()
 		}
+		w.run()
 	} else {
 		for {
 			p.cond.Wait()