1 files changed, 1 insertions, 1 deletions
diff --git a/includes/cache.inc b/includes/cache.inc
index e21346a9e..518ca313e 100644
--- a/includes/cache.inc
+++ b/includes/cache.inc
@@ -102,7 +102,7 @@ function cache_get($cid, $table = 'cache') {
  */
 function cache_set($cid, $data, $table = 'cache', $expire = CACHE_PERMANENT, $headers = NULL) {
   $serialized = 0;
-  if (is_object($data) || is_array($data)) {
+  if (!is_string($data)) {
     $data = serialize($data);
     $serialized = 1;
   }