diff --git a/search/plugins/ezsolr/ezsolr.php b/search/plugins/ezsolr/ezsolr.php
index 52dbc911..72d91216 100644
--- a/search/plugins/ezsolr/ezsolr.php
+++ b/search/plugins/ezsolr/ezsolr.php
@@ -898,7 +898,8 @@ public function removeObjectById( $contentObjectId, $commit = null )
         {
             foreach ( $docs as $languageCode => $doc )
             {
-                $this->SolrLanguageShards[$languageCode]->deleteDocs( array( $doc ), false, $commit, $optimize );
+                if ($this->SolrLanguageShards[$languageCode] instanceof eZSolrBase )
+                    $this->SolrLanguageShards[$languageCode]->deleteDocs( array( $doc ), false, $commit, $optimize );
             }
         }
         else