diff --git a/og.module b/og.module
index f2e3de7..54aa189 100644
--- a/og.module
+++ b/og.module
@@ -805,9 +805,11 @@ function og_set_group_context($node = NULL, $clear = FALSE) {
     // group. This covers the case when the site doesn't have a prefix for
     // the default language, particularly if the same node is posted in
     // multiple groups.
-    $current_node = menu_get_object();
-    if (!$current_node || (!og_is_group_type($current_node->type) && $current_node->language == $node->og_language)) {
-      og_set_language($node);
+    if (isset($node->nid)) {
+      $current_node = menu_get_object('node', 1, 'node/' . $node->nid);
+      if (!$current_node || (!og_is_group_type($current_node->type) && $current_node->language == $node->og_language)) {
+        og_set_language($node);
+      }
     }
   }
   return !empty($stored_group_node) ? $stored_group_node : NULL;