diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index 81fd1286..4747c0c0 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -58,7 +58,7 @@ class PostsController < ApplicationController
     @post.assign_attributes(post_create_params(is_anonymous: is_anonymous))
 
     # handle attachments
-    if Current.tenant.tenant_setting.allow_attachment_upload && params[:post][:attachments].present?
+    if Current.tenant.tenant_setting.allow_attachment_upload && params[:post][:attachments].present? && !is_anonymous
       @post.attachments.attach(params[:post][:attachments])
     end
 
diff --git a/app/javascript/components/Board/NewPostForm.tsx b/app/javascript/components/Board/NewPostForm.tsx
index 8258d788..a08ec385 100644
--- a/app/javascript/components/Board/NewPostForm.tsx
+++ b/app/javascript/components/Board/NewPostForm.tsx
@@ -112,7 +112,7 @@ const NewPostForm = ({
 
       { /* Attachments */ }
       {
-        tenantSetting.allow_attachment_upload &&
+        tenantSetting.allow_attachment_upload && !isSubmissionAnonymous &&
           <div className="form-group">
             <Dropzone
               files={attachments}