diff --git a/provider/http.go b/provider/http.go
index 4fca739d8..6bbe7ad52 100644
--- a/provider/http.go
+++ b/provider/http.go
@@ -34,6 +34,8 @@ func init() {
 	registry.AddCtx("http", NewHTTPProviderFromConfig)
 }
 
+var mc = httpcache.NewMemoryCache()
+
 // Auth is the authorization config
 type Auth struct {
 	Type, User, Password string
@@ -101,9 +103,10 @@ func NewHTTP(log *util.Logger, method, uri string, insecure bool, cache time.Dur
 	}
 
 	// http cache
-	cacheTransport := httpcache.NewMemoryCacheTransport()
-	cacheTransport.Transport = p.Client.Transport
-	p.Client.Transport = cacheTransport
+	p.Client.Transport = &httpcache.Transport{
+		Cache:     mc,
+		Transport: p.Client.Transport,
+	}
 
 	// ignore the self signed certificate
 	if insecure {