diff --git a/GAFeed.lib.inc b/GAFeed.lib.inc
index 4be901b..c551a41 100644
--- a/GAFeed.lib.inc
+++ b/GAFeed.lib.inc
@@ -264,7 +264,7 @@ class GAFeed {
     $meta['generator'] = check_plain(strval($xml->generator));
     $meta['generatorVersion'] = check_plain(strval($xml->generator->attributes()));
 
-    $opensearch = $xml->children('http://a9.com/-/spec/opensearchrss/1.0/');
+    $opensearch = $xml->children('http://a9.com/-/spec/opensearch/1.1/');
     foreach ($opensearch as $key => $open_search_result) {
       $meta[$key] = intval($open_search_result);
     }
@@ -379,7 +379,7 @@ class GAFeed {
     $meta['generator'] = check_plain(strval($xml->generator));
     $meta['generatorVersion'] = check_plain(strval($xml->generator->attributes()));
 
-    $opensearch = $xml->children('http://a9.com/-/spec/opensearchrss/1.0/');
+    $opensearch = $xml->children('http://a9.com/-/spec/opensearch/1.1/');
     foreach ($opensearch as $key => $open_search_result) {
       $meta[$key] = intval($open_search_result);
     }