--- /Users/TheNels/Desktop/stage_file_proxy/stage_file_proxy.module	2014-10-29 10:17:42.000000000 -0500
+++ stage_file_proxy.module	2015-09-30 12:02:49.000000000 -0500
@@ -187,6 +187,7 @@
 function stage_file_proxy_admin_validate($form, &$form_state) {
   $origin = $form_state['values']['stage_file_proxy_origin'];
   $sslversion = $form_state['values']['stage_file_proxy_sslversion'];
+  global $base_url;
 
   if (!empty($origin) && filter_var($origin, FILTER_VALIDATE_URL) === FALSE) {
     form_set_error('stage_file_proxy_origin', 'Origin needs to be a valid URL.');
@@ -196,6 +197,10 @@
     form_set_error('stage_file_proxy_origin', 'Origin URL cannot end in slash.');
   }
 
+  if (!empty($origin) && $origin == $base_url) {
+    form_set_error('stage_file_proxy_origin', 'Origin URL cannot be current site url.');
+  }
+  
   if (!is_numeric($sslversion)) {
     form_set_error('stage_file_proxy_sslversion', 'You must enter a number for the SSL version.');
   }