diff --git a/progress.go b/progress.go
index 3a603b6..2c6e061 100644
--- a/progress.go
+++ b/progress.go
@@ -38,11 +38,11 @@
 	dropS, dropD chan struct{}
 	refreshCh    chan time.Time
 	idCount      int
+	popPriority  int
 
 	// following are provided/overrided by user
 	refreshRate      time.Duration
 	reqWidth         int
-	popPriority      int
 	popCompleted     bool
 	manualRefresh    bool
 	forceAutoRefresh bool