diff --git a/callback_plugins/logdetail.py b/callback_plugins/logdetail.py
index 4b2aba5ec9..cd7226b267 100644
--- a/callback_plugins/logdetail.py
+++ b/callback_plugins/logdetail.py
@@ -258,7 +258,7 @@ class CallbackModule(CallbackBase):
             info = {}
             info['play'] = play.name
             info['hosts'] = play.hosts
-            info['transport'] = self.play_context.connection
+            info['transport'] = str(self.play_context.connection)
             info['number'] = self._play_count
             info['check'] = self.play_context.check_mode
             info['diff'] = self.play_context.diff