diff --git a/potx.inc b/potx.inc
index 1b9285c..f3d3814 100644
--- a/potx.inc
+++ b/potx.inc
@@ -625,7 +625,7 @@ function _potx_translation_export($translation_export_langcode, $string, $plural
       $query = $connection->select('locales_source', 's');
       $query->leftJoin('locales_target', 't', 't.lid = s.lid');
       $query->fields('t', ['translation']);
-      $query->condition('t' . $language_column, $translation_export_langcode);
+      $query->condition('t.' . $language_column, $translation_export_langcode);
 
       if ($number_of_plurals > 1) {
         $string = implode(PoItem::DELIMITER, $strings);