diff --git a/autogen/io/base.py b/autogen/io/base.py
index db25560e0..ccdd1d183 100644
--- a/autogen/io/base.py
+++ b/autogen/io/base.py
@@ -76,8 +76,10 @@ class IOStream(InputStream, OutputStream, Protocol):
         """
         iostream = IOStream._default_io_stream.get()
         if iostream is None:
-            logger.warning("No default IOStream has been set, defaulting to IOConsole.")
-            return IOStream.get_global_default()
+            logger.info("No default IOStream has been set, defaulting to IOConsole.")
+            iostream = IOStream.get_global_default()
+            # Set the default IOStream of the current context (thread/cooroutine)
+            IOStream.set_default(iostream)
         return iostream
 
     @staticmethod