diff --git a/pupy/modules/pexec.py b/pupy/modules/pexec.py
index ab9b055e..12a7a5bf 100644
--- a/pupy/modules/pexec.py
+++ b/pupy/modules/pexec.py
@@ -207,7 +207,7 @@ class PExec(PupyModule):
         close_event = threading.Event()
 
         def on_read(data):
-            self.log(data)
+            self.stdout.write(data)
             if not self.terminate.is_set():
                 log.write(data)