diff --git a/asynctest/templates.nim b/asynctest/templates.nim
index 09616eb..bb7082b 100644
--- a/asynctest/templates.nim
+++ b/asynctest/templates.nim
@@ -11,7 +11,7 @@ template launderExceptions(body: typed) =
   except CatchableError as ex:
     raise ex
   except Exception as ex:
-    raise newException(CatchableError, ex.msg, ex)
+    raise newException(Defect, ex.msg, ex)
 
 template suite*(name, body) =