diff --git a/dump.go b/dump.go
index b56ab8e..af1c6f6 100644
--- a/dump.go
+++ b/dump.go
@@ -3,10 +3,15 @@ package sloggin
 import (
 	"bytes"
 	"io"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
 
+var _ http.ResponseWriter = (*bodyWriter)(nil)
+var _ http.Flusher = (*bodyWriter)(nil)
+var _ http.Hijacker = (*bodyWriter)(nil)
+
 type bodyWriter struct {
 	gin.ResponseWriter
 	body    *bytes.Buffer