diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 0775bbf..f27843a 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -2432,7 +2432,7 @@ function template_preprocess_field(&$variables, $hook) {
     'field-label-' . $element['#label_display'],
   );
   // Add a "clearfix" class to the wrapper since we float the label and the
-  // field items in field.module.css if the label is inline.
+  // field items in system.theme.css if the label is inline.
   if ($element['#label_display'] == 'inline') {
     $variables['attributes']['class'][] = 'clearfix';
   }
diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index 0c173c2..855a178 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -302,8 +302,8 @@ function _field_filter_xss_display_allowed_tags() {
  * Implements hook_page_build().
  */
 function field_page_build(&$page) {
-  $path = drupal_get_path('module', 'field');
-  $page['#attached']['css'][$path . '/css/field.module.css'] = array('every_page' => TRUE);
+  $path = drupal_get_path('module', 'system');
+  $page['#attached']['css'][$path . '/css/system.theme.css'] = array('every_page' => TRUE);
 }
 
 /**