diff --git a/config/initializers/simple_form.rb b/config/initializers/simple_form.rb
index 9fd871574..bde646c6e 100644
--- a/config/initializers/simple_form.rb
+++ b/config/initializers/simple_form.rb
@@ -39,7 +39,7 @@ SimpleForm.setup do |config|
 
     # Calculates maxlength from length validations for string inputs
     # and/or database column lengths
-    b.optional :maxlength
+    b.use :maxlength
 
     # Calculate minlength from length validations for string inputs
     b.optional :minlength
@@ -129,7 +129,7 @@ SimpleForm.setup do |config|
   # in this configuration, which is recommended due to some quirks from different browsers.
   # To stop SimpleForm from generating the novalidate option, enabling the HTML5 validations,
   # change this configuration to true.
-  config.browser_validations = false
+  config.browser_validations = true
 
   # Custom mappings for input types. This should be a hash containing a regexp
   # to match as key, and the input type that will be used when the field name