diff --git a/include/emp/web/Input.hpp b/include/emp/web/Input.hpp
index cc36369e28..766cd4cf42 100644
--- a/include/emp/web/Input.hpp
+++ b/include/emp/web/Input.hpp
@@ -261,7 +261,7 @@ namespace web {
       Info()->callback_id = JSWrap( std::function<void(std::string)>( [b_info](std::string new_val){b_info->DoChange(new_val);} )  );
       Info()->onchange_info = emp::to_string("emp.Callback(", Info()->callback_id, ", ['checkbox', 'radio'].includes(this.type) ? this.checked.toString() : this.value);");
       // Allows user to set the checkbox to start out on/checked
-      if (in_type.compare("checkbox") == 0 && is_checked){
+      if ((in_type.compare("checkbox") == 0 || in_type.compare("radio") == 0) && is_checked) {
         this->SetAttr("checked", "true");
       }
     }