diff --git a/pprof.go b/pprof.go
index 19185809..63672a80 100644
--- a/pprof.go
+++ b/pprof.go
@@ -8,7 +8,7 @@ import (
 )
 
 const (
-	pprofAddress = ":9998"
+	pprofAddress = ":9999"
 )
 
 type pprof struct {