Index: apachesolr_multilingual.module
===================================================================
--- apachesolr_multilingual.module	(revision 1579)
+++ apachesolr_multilingual.module	(revision 1609)
@@ -113,7 +113,8 @@
         $translations = translation_node_get_translations($node->tnid);
         foreach ($translations as $translation_language => $translation) {
           if ($translation->nid != $node->nid) {
-            if ($translation_document = apachesolr_node_to_document($translation->nid, $namespace)) {
+            if ($translation_document = apachesolr_node_to_document(node_load($translation->nid), $namespace)) {
               $document->{'title_' . $translation_language} = $translation_document->title;
               $document->{'body_' . $translation_language} = $translation_document->body;
               $document->{'tags_h1_' . $translation_language} = $translation_document->tags_h1;