diff --git a/pyquarantine/config.py b/pyquarantine/config.py
index 58a175a..d9d75fe 100644
--- a/pyquarantine/config.py
+++ b/pyquarantine/config.py
@@ -170,7 +170,7 @@ class AddDisclaimerConfig(BaseConfig):
             "action": {"type": "string"},
             "html_template": {"type": "string"},
             "text_template": {"type": "string"},
-            "error_policy": {"type": "string"}}}
+            "error_policy": {"type": "string", "default": "wrap"}}}
 
 
 class RewriteLinksConfig(BaseConfig):