diff --git a/api/sendpulse_api.rb b/api/sendpulse_api.rb
index 01943ae..f1405aa 100644
--- a/api/sendpulse_api.rb
+++ b/api/sendpulse_api.rb
@@ -125,6 +125,7 @@ def send_request(path, method = 'GET', data = {}, use_token = true)
         request.set_form_data(data)
       when 'DELETE'
         request = Net::HTTP::Delete.new(uri.request_uri, token)
+        request.set_form_data(data)
       else
         request = Net::HTTP::Get.new(uri.request_uri, token)
     end