diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index b9ed804d3..65e56a21f 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -69,6 +69,10 @@ class Attachment < ApplicationRecord
     end
   end
 
+  def with_attached_file?
+    [:image, :audio, :video, :file].include?(file_type.to_sym)
+  end
+
   private
 
   def file_metadata
diff --git a/lib/integrations/slack/send_on_slack_service.rb b/lib/integrations/slack/send_on_slack_service.rb
index aa9d3ad5b..20a65905c 100644
--- a/lib/integrations/slack/send_on_slack_service.rb
+++ b/lib/integrations/slack/send_on_slack_service.rb
@@ -117,6 +117,8 @@ class Integrations::Slack::SendOnSlackService < Base::SendOnChannelService
   end
 
   def upload_file
+    return unless message.attachments.first.with_attached_file?
+
     result = slack_client.files_upload({
       channels: hook.reference_id,
       initial_comment: 'Attached File!',
diff --git a/spec/lib/integrations/slack/send_on_slack_service_spec.rb b/spec/lib/integrations/slack/send_on_slack_service_spec.rb
index 3474cbfcd..6524154b4 100644
--- a/spec/lib/integrations/slack/send_on_slack_service_spec.rb
+++ b/spec/lib/integrations/slack/send_on_slack_service_spec.rb
@@ -180,6 +180,28 @@ describe Integrations::Slack::SendOnSlackService do
         expect(message.attachments).to be_any
       end
 
+      it 'will not call file_upload if attachment does not have a file (e.g facebook - fallback type)' do
+        expect(slack_client).to receive(:chat_postMessage).with(
+          channel: hook.reference_id,
+          text: message.content,
+          username: "#{message.sender.name} (Contact)",
+          thread_ts: conversation.identifier,
+          icon_url: anything,
+          unfurl_links: true
+        ).and_return(slack_message)
+
+        message.attachments.new(account_id: message.account_id, file_type: :fallback)
+
+        expect(slack_client).not_to receive(:files_upload)
+
+        message.save!
+
+        builder.perform
+
+        expect(message.external_source_id_slack).to eq 'cw-origin-6789.12345'
+        expect(message.attachments).to be_any
+      end
+
       it 'sent a template message on slack' do
         builder = described_class.new(message: template_message, hook: hook)
         allow(builder).to receive(:slack_client).and_return(slack_client)
diff --git a/spec/models/attachment_spec.rb b/spec/models/attachment_spec.rb
index 6b05d26fb..b1d19bd0e 100644
--- a/spec/models/attachment_spec.rb
+++ b/spec/models/attachment_spec.rb
@@ -1,8 +1,9 @@
 require 'rails_helper'
 
 RSpec.describe Attachment do
+  let!(:message) { create(:message) }
+
   describe 'external url validations' do
-    let(:message) { create(:message) }
     let(:attachment) { message.attachments.new(account_id: message.account_id, file_type: :image) }
 
     before do
@@ -25,13 +26,25 @@ RSpec.describe Attachment do
 
   describe 'download_url' do
     it 'returns valid download url' do
-      message = create(:message)
       attachment = message.attachments.new(account_id: message.account_id, file_type: :image)
       attachment.file.attach(io: Rails.root.join('spec/assets/avatar.png').open, filename: 'avatar.png', content_type: 'image/png')
       expect(attachment.download_url).not_to be_nil
     end
   end
 
+  describe 'with_attached_file?' do
+    it 'returns true if its an attachment with file' do
+      attachment = message.attachments.new(account_id: message.account_id, file_type: :image)
+      attachment.file.attach(io: Rails.root.join('spec/assets/avatar.png').open, filename: 'avatar.png', content_type: 'image/png')
+      expect(attachment.with_attached_file?).to be true
+    end
+
+    it 'returns false if its an attachment with out a file' do
+      attachment = message.attachments.new(account_id: message.account_id, file_type: :fallback)
+      expect(attachment.with_attached_file?).to be false
+    end
+  end
+
   describe 'push_event_data for instagram story mentions' do
     let(:instagram_message) { create(:message, :instagram_story_mention) }