diff --git a/mistral/actions/std_actions.py b/mistral/actions/std_actions.py
index 98d553e6..5c8da17f 100644
--- a/mistral/actions/std_actions.py
+++ b/mistral/actions/std_actions.py
@@ -282,7 +282,7 @@ class SendEmailAction(base.Action):
         # Task invocation parameters.
         self.to = to_addrs
         self.subject = subject or "<No subject>"
-        self.body = body
+        self.body = body or "<No body>"
 
         # Action provider settings.
         self.smtp_server = smtp_server