deferrwl.go | 7 ++++---

diff --git a/deferrwl.go b/deferrwl.go
index e8e90e87cef7dd751de076213ad87701ef3f94b1..bf95be244f064880a6117a1358304e5db634d1af 100644
--- a/deferrwl.go
+++ b/deferrwl.go
@@ -15,10 +15,11 @@ 	me.internal.Lock()
 }
 
 func (me *lockWithDeferreds) Unlock() {
-	for _, a := range me.unlockActions {
-		a()
+	unlockActions := me.unlockActions
+	for i := 0; i < len(unlockActions); i += 1 {
+		unlockActions[i]()
 	}
-	me.unlockActions = me.unlockActions[:0]
+	me.unlockActions = unlockActions[:0]
 	me.internal.Unlock()
 }