1 files changed, 1 insertions, 3 deletions

diff --git a/src/mailman_pgp/config/validator.py b/src/mailman_pgp/config/validator.py
index debbf0a..1010663 100644
--- a/src/mailman_pgp/config/validator.py
+++ b/src/mailman_pgp/config/validator.py
@@ -51,14 +51,12 @@ class ConfigValidator:
             try:
                 call = find_name(schema)
             except:
-                try:
+                if len(schema) != 0:
                     def call(value):
                         match = re.search(schema, value)
                         if match is None:
                             raise ValueError
                         return match
-                except:
-                    pass
 
         if call is None:
             raise ValueError