diff --git a/pkg/jsonrpc/response.go b/pkg/jsonrpc/response.go
index 88a8b12..162ef30 100644
--- a/pkg/jsonrpc/response.go
+++ b/pkg/jsonrpc/response.go
@@ -17,7 +17,7 @@ type response struct {
 func respond(w io.Writer, resp response) {
 	err := json.NewEncoder(w).Encode(resp)
 	if err != nil {
-		slog.Warn("write response", err)
+		slog.Warn("write response", "err", err)
 	}
 }