core/includes/common.inc                | 2 +-
 core/modules/quickedit/quickedit.module | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/includes/common.inc b/core/includes/common.inc
index 0991b52..18b2028 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -1944,7 +1944,7 @@ function _drupal_add_library($library_name, $every_page = NULL) {
       // The parameters for _drupal_add_js() and _drupal_add_css() require special
       // handling.
       foreach (array('js', 'css') as $type) {
-        foreach ($library[$type] as $data => $options) {
+        foreach ($library[$type] as $options) {
           call_user_func('_drupal_add_' . $type, $options['data'], $options);
         }
         unset($elements['#attached'][$type]);
diff --git a/core/modules/quickedit/quickedit.module b/core/modules/quickedit/quickedit.module
index 7ed6f92..5066c14 100644
--- a/core/modules/quickedit/quickedit.module
+++ b/core/modules/quickedit/quickedit.module
@@ -99,7 +99,8 @@ function quickedit_library_alter(array &$library, $name, $theme = NULL) {
       }
       if (isset($info['quickedit_stylesheets']) && is_array($info['quickedit_stylesheets'])) {
         foreach ($info['quickedit_stylesheets'] as $path) {
-          $library['css'][$theme_path . '/' . $path] = array(
+          $library['css'][] = array(
+            'data' => $theme_path . '/' . $path,
             'group' => CSS_AGGREGATE_THEME,
             'weight' => CSS_THEME,
           );