diff --git a/pkg/kubemark/controller.go b/pkg/kubemark/controller.go
index 8068ef09ac5..b8f11643664 100644
--- a/pkg/kubemark/controller.go
+++ b/pkg/kubemark/controller.go
@@ -195,11 +195,11 @@ func (kubemarkController *KubemarkController) SetNodeGroupSize(nodeGroup string,
 		}
 	case delta > 0:
 		kubemarkController.nodeGroupQueueSizeLock.Lock()
+		kubemarkController.nodeGroupQueueSize[nodeGroup] += delta
+		kubemarkController.nodeGroupQueueSizeLock.Unlock()
 		for i := 0; i < delta; i++ {
-			kubemarkController.nodeGroupQueueSize[nodeGroup]++
 			kubemarkController.createNodeQueue <- nodeGroup
 		}
-		kubemarkController.nodeGroupQueueSizeLock.Unlock()
 	}
 
 	return nil