diff --git a/server/upstream/upstream.go b/server/upstream/upstream.go
index 5704583..370c4ee 100644
--- a/server/upstream/upstream.go
+++ b/server/upstream/upstream.go
@@ -196,7 +196,7 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
 	if reader != nil {
 		_, err := io.Copy(ctx.RespWriter, reader)
 		if err != nil {
-			log.Printf("Couldn't write body: %s\n", err)
+			log.Error().Err(err).Msgf("Couldn't write body for %q", o.TargetPath)
 			html.ReturnErrorPage(ctx, "", http.StatusInternalServerError)
 			return true
 		}