diff --git a/lib/semantic_rails_view_helpers/attributes_builder_base.rb b/lib/semantic_rails_view_helpers/attributes_builder_base.rb
index 0ea6e62..4642f09 100644
--- a/lib/semantic_rails_view_helpers/attributes_builder_base.rb
+++ b/lib/semantic_rails_view_helpers/attributes_builder_base.rb
@@ -31,7 +31,7 @@ module SemanticRailsViewHelpers
       value = value.to_label if value.respond_to?(:to_label)
 
       if options[:raw]
-        value = value.html_safe
+        value = (value || '').html_safe
       end
 
       if SemanticRailsViewHelpers.semantic_data?