diff --git a/bento_beacon/authz/utils.py b/bento_beacon/authz/utils.py
index 54a38e8..0303011 100644
--- a/bento_beacon/authz/utils.py
+++ b/bento_beacon/authz/utils.py
@@ -73,6 +73,6 @@ def decorated_func(*args, **kwargs):
         if g.permissions.get(P_QUERY_DATA, False):
             return f(*args, **kwargs)
         else:
-            raise PermissionsException()
+            raise PermissionsException(f"Insufficient permissions: requires permission {P_QUERY_DATA}")
 
     return decorated_func