diff --git a/pool.go b/pool.go
index c7a290c..7b2bd36 100644
--- a/pool.go
+++ b/pool.go
@@ -286,12 +286,14 @@ func (p *Pool) Release() {
 
 // ReleaseTimeout is like Release but with a timeout, it waits all workers to exit before timing out.
 func (p *Pool) ReleaseTimeout(timeout time.Duration) error {
-	if p.IsClosed() || p.stopPurge == nil || p.stopTicktock == nil {
+	if p.IsClosed() || (!p.options.DisablePurge && p.stopPurge == nil) || p.stopTicktock == nil {
 		return ErrPoolClosed
 	}
 
-	p.stopPurge()
-	p.stopPurge = nil
+	if p.stopPurge != nil {
+		p.stopPurge()
+		p.stopPurge = nil
+	}
 	p.stopTicktock()
 	p.stopTicktock = nil
 	p.Release()
diff --git a/pool_func.go b/pool_func.go
index ba54951..8c48b7d 100644
--- a/pool_func.go
+++ b/pool_func.go
@@ -315,12 +315,14 @@ func (p *PoolWithFunc) Release() {
 
 // ReleaseTimeout is like Release but with a timeout, it waits all workers to exit before timing out.
 func (p *PoolWithFunc) ReleaseTimeout(timeout time.Duration) error {
-	if p.IsClosed() || p.stopPurge == nil || p.stopTicktock == nil {
+	if p.IsClosed() || (!p.options.DisablePurge && p.stopPurge == nil) || p.stopTicktock == nil {
 		return ErrPoolClosed
 	}
 
-	p.stopPurge()
-	p.stopPurge = nil
+	if p.stopPurge != nil {
+		p.stopPurge()
+		p.stopPurge = nil
+	}
 	p.stopTicktock()
 	p.stopTicktock = nil
 	p.Release()