diff --git a/src/DryIoc/Container.cs b/src/DryIoc/Container.cs
index 154a977b..9ed3b6c7 100644
--- a/src/DryIoc/Container.cs
+++ b/src/DryIoc/Container.cs
@@ -10234,7 +10234,7 @@ public StringBuilder PrintCurrent(StringBuilder s = null)
             else if (ServiceTypeOrInfo is Type t)
                 s.Print(t);
             else
-                s.Print(ServiceTypeOrInfo);
+                s.Append(ServiceTypeOrInfo);
 
             var f = Factory;
             if (f != null && f is ReflectionFactory == false)