diff --git a/wfe2/wfe.go b/wfe2/wfe.go
index 23e1115cc6f..7160a4464fa 100644
--- a/wfe2/wfe.go
+++ b/wfe2/wfe.go
@@ -511,7 +511,7 @@ func (wfe *WebFrontEndImpl) CARoot(
 	logEvent *web.RequestEvent,
 	response http.ResponseWriter,
 	request *http.Request) {
-	filePath := "/tmp/root-cert-rsa.pem"
+	filePath := "/hierarchy/root-cert-rsa.pem"
 	caRoot, err := ioutil.ReadFile(filePath)
 
 	if err != nil {