file_entity.info         |  1 +
 file_entity.variable.inc | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/file_entity.info b/file_entity.info
index ce95294..3c021bc 100644
--- a/file_entity.info
+++ b/file_entity.info
@@ -15,6 +15,7 @@ files[] = views/views_handler_field_file_link_delete.inc
 files[] = views/views_handler_field_file_link_download.inc
 files[] = views/views_plugin_row_file_view.inc
 files[] = tests/file_entity.test
+files[] = file_entity.variable.inc
 configure = admin/structure/file-types
 
 ; We have to add a fake version so Git checkouts do not fail Media dependencies
diff --git a/file_entity.variable.inc b/file_entity.variable.inc
new file mode 100644
index 0000000..9e3df14
--- /dev/null
+++ b/file_entity.variable.inc
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * Implements hook_variable_info().
+ */
+function file_entity_variable_info($options) {
+  $variables['file_entity_default_allowed_extensions'] = array(
+    'title' => t('Allowed file extensions', array(), $options),
+    'type' => 'string',
+    'default' => 'jpg jpeg gif png txt doc docx xls xlsx pdf ppt pptx pps ppsx odt ods odp',
+    'description' => t('Allowed file extensions.', array(), $options),
+    'token' => TRUE,
+    'group' => 'file_entity',
+    'localize' => FALSE,
+  );
+  return $variables;
+}
+
+/**
+ * Implements hook_variable_group_info().
+ */
+function file_entity_variable_group_info() {
+  $groups['file_entity'] = array(
+    'title' => t('File entity'),
+    'description' => t('File entity'),
+    'access' => 'administer site configuration',
+//    'path' => 'admin/config/?',
+  );
+  return $groups;
+}
+