diff --git a/lib/shoulda/matchers/active_model/allow_value_matcher.rb b/lib/shoulda/matchers/active_model/allow_value_matcher.rb
index 023e0833b..5a57f54da 100644
--- a/lib/shoulda/matchers/active_model/allow_value_matcher.rb
+++ b/lib/shoulda/matchers/active_model/allow_value_matcher.rb
@@ -612,7 +612,8 @@ def inspected_values_to_set
 
         def default_expected_message
           if expects_strict?
-            "#{human_attribute_name} #{default_attribute_message}"
+            I18n.t(:"errors.format", attribute: human_attribute_name,
+              message: default_attribute_message,)
           else
             default_attribute_message
           end