diff --git a/server/embed/serve.go b/server/embed/serve.go
index 6100ebd0b..23e115d6a 100644
--- a/server/embed/serve.go
+++ b/server/embed/serve.go
@@ -303,8 +303,12 @@ type accessController struct {
 }
 
 func (ac *accessController) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
+	if req == nil {
+		http.Error(rw, "Request is nil", http.StatusBadRequest)
+		return
+	}
 	// redirect for backward compatibilities
-	if req != nil && req.URL != nil && strings.HasPrefix(req.URL.Path, "/v3beta/") {
+	if req.URL != nil && strings.HasPrefix(req.URL.Path, "/v3beta/") {
 		req.URL.Path = strings.Replace(req.URL.Path, "/v3beta/", "/v3/", 1)
 	}