diff --git a/app/views/posts/_htmx_form.haml b/app/views/posts/_htmx_form.haml
index a16e68dd..acb5585e 100644
--- a/app/views/posts/_htmx_form.haml
+++ b/app/views/posts/_htmx_form.haml
@@ -13,7 +13,7 @@
   end
 
   options = {
-    id: base,
+    id: params.require(:form),
     multipart: true,
     class: 'form post ',
     'hx-swap': params.require(:swap),
diff --git a/app/views/posts/attributes/_new_has_many.haml b/app/views/posts/attributes/_new_has_many.haml
index a5d62a84..54eb8d40 100644
--- a/app/views/posts/attributes/_new_has_many.haml
+++ b/app/views/posts/attributes/_new_has_many.haml
@@ -86,6 +86,7 @@
     %input{ type: 'hidden', name: 'swap', value: 'beforeend' }
     %input{ type: 'hidden', name: 'base', value: id }
     %input{ type: 'hidden', name: 'name', value: name }
+    %input{ type: 'hidden', name: 'form', value: form_id }
     - if metadata.inverse?
       %input{ type: 'hidden', name: 'inverse', value: metadata.inverse }
   %div{ id: post_modal_id, data: { controller: 'modal' } }
@@ -93,4 +94,4 @@
       - content_for :"#{post_id}_body" do
         %div{ id: post_form_loaded_id }
       - content_for :"#{post_id}_footer" do
-        = render 'bootstrap/btn', form: id, content: t('.save'), type: 'submit'
+        = render 'bootstrap/btn', form: form_id, content: t('.save'), type: 'submit'