diff --git a/src/preserves.nim b/src/preserves.nim
index 6df4210..23ceeba 100644
--- a/src/preserves.nim
+++ b/src/preserves.nim
@@ -853,7 +853,7 @@ proc toPreserve*[T](x: T; E = void): Preserve[E] =
         applyEmbed(key, pr)
         result[toSymbol(key, E)] = pr
     else:
-      {.warning: "failed to preserve " & $T .}
+      {.warning: "failed to preserve object " & $T .}
       result = toPreserveHook(x, E)
   else:
     {.warning: "failed to preserve " & $T .}