diff --git a/lib/cache/sfAPCCache.class.php b/lib/cache/sfAPCCache.class.php
index db1a150d9..168dd515a 100644
--- a/lib/cache/sfAPCCache.class.php
+++ b/lib/cache/sfAPCCache.class.php
@@ -197,9 +197,12 @@ protected function getCacheInfo($key)
 
     if (is_array($infos['cache_list']))
     {
+      // Compatibility with APCu PHP 5.5+
+      $infoKey = extension_loaded('apcu') ? 'key' : 'info';
+
       foreach ($infos['cache_list'] as $info)
       {
-        if ($this->getOption('prefix').$key == $info['info'])
+        if ($this->getOption('prefix').$key == $info[$infoKey])
         {
           return $info;
         }