diff --git a/lib/simple_form/components/maxlength.rb b/lib/simple_form/components/maxlength.rb
index f02b6ade..441b32a3 100644
--- a/lib/simple_form/components/maxlength.rb
+++ b/lib/simple_form/components/maxlength.rb
@@ -11,7 +11,8 @@ module SimpleForm
 
       def maximum_length_from_validation
         if options[:maxlength] == true
-          if (length_validator = find_length_validator) && !length_validator.options[:tokenizer]
+          length_validator = find_length_validator
+          if length_validator && !length_validator.options[:tokenizer]
             length_validator.options[:is] || length_validator.options[:maximum]
           end
         else