diff --git a/pkg/server/http.go b/pkg/server/http.go
index 61846d9..1a88740 100644
--- a/pkg/server/http.go
+++ b/pkg/server/http.go
@@ -53,6 +53,10 @@ func (s *HttpServer) ServeStatic(path string, fsys http.FileSystem) {
 	s.router.ServeFiles(path, fsys)
 }
 
+func (s *HttpServer) SetNotFoundHandler(handler http.HandlerFunc) {
+	s.router.NotFound = handler
+}
+
 // GetURLParam wrapper around underlying router for getting URL parameters.
 func GetURLParam(r *http.Request, param string) string {
 	return httprouter.ParamsFromContext(r.Context()).ByName(param)