diff --git a/lib/ansible/plugins/callback/oneline.py b/lib/ansible/plugins/callback/oneline.py
index c952f5df253..743551fe735 100644
--- a/lib/ansible/plugins/callback/oneline.py
+++ b/lib/ansible/plugins/callback/oneline.py
@@ -66,7 +66,7 @@ class CallbackModule(CallbackBase):
 
 
     def v2_runner_on_unreachable(self, result):
-        self._display.display("%s | UNREACHABLE!" % result._host.get_name(), color=C.COLOR_UNREACHABLE)
+        self._display.display("%s | UNREACHABLE!: %s" % (result._host.get_name(), result._result.get('msg','')), color=C.COLOR_UNREACHABLE)
 
     def v2_runner_on_skipped(self, result):
         self._display.display("%s | SKIPPED" % (result._host.get_name()), color=C.COLOR_SKIP)