diff --git a/exegroup/group.go b/exegroup/group.go
index 1a5ef3f..7af66d3 100644
--- a/exegroup/group.go
+++ b/exegroup/group.go
@@ -103,7 +103,7 @@ func (g *Group) validate() {
 	}
 	for _, actor := range g.actors {
 		if actor.goFunc == nil {
-			panic(actor.name + "has nil goFunc")
+			panic(actor.name + " has nil goFunc")
 		}
 	}
 }
@@ -131,12 +131,12 @@ func (g *Group) wait(c chan error, cancel context.CancelFunc) (err error) {
 		ctx, cancel = context.WithTimeout(context.Background(), g.cfg.stopTimeout)
 		defer cancel()
 	}
-	for _, m := range g.actors {
-		if m.stopFunc != nil {
+	for i := len(g.actors) - 1; i >= 0; i-- {
+		if g.actors[i].stopFunc != nil {
 			if g.cfg.concurrentStop {
-				go m.stopFunc(ctx)
+				go g.actors[i].stopFunc(ctx)
 			} else {
-				m.stopFunc(ctx)
+				g.actors[i].stopFunc(ctx)
 			}
 		}
 	}