diff --git a/file_entity.module b/file_entity.module
index e99f5c0..e674ae8 100644
--- a/file_entity.module
+++ b/file_entity.module
@@ -6,13 +6,6 @@
  */
 
 /**
- * The default list of file extensions allowed by file_save_upload().
- *
- * Adds support for docx, xlsx, pptx and ppsx.
- */
-define('FILE_ENTITY_DEFAULT_ALLOWED_EXTENSIONS', 'jpg jpeg gif png txt doc docx xls xlsx pdf ppt pptx pps ppsx odt ods odp');
-
-/**
  * Modules should return this value from hook_file_entity_access() to allow
  * access to a file.
  */
diff --git a/file_entity.pages.inc b/file_entity.pages.inc
index 57f91d0..c3c17eb 100644
--- a/file_entity.pages.inc
+++ b/file_entity.pages.inc
@@ -546,7 +546,7 @@ function file_entity_get_upload_validators(array $options = array()) {
     $validators['file_validate_extensions'] = array($options['file_extensions']);
   }
   else {
-    $validators['file_validate_extensions'] = array(FILE_ENTITY_DEFAULT_ALLOWED_EXTENSIONS);
+    $validators['file_validate_extensions'] = variable_get('file_entity_default_allowed_extensions', array('jpg, jpeg, gif, png, txt, doc, docx, xls, xlsx, pdf, ppt, pptx, pps, ppsx, odt, ods, odp'));
   }
 
   // Validate file size but do not allow anything higher than file_upload_max_size().