diff --git a/core/modules/locale/src/Form/ExportForm.php b/core/modules/locale/src/Form/ExportForm.php
index 7c6f9321dc7c108c883811f1162b78dcd4a4bbde..ac217ee2ba7ad635f341c7fc2cfa063139926746 100644
--- a/core/modules/locale/src/Form/ExportForm.php
+++ b/core/modules/locale/src/Form/ExportForm.php
@@ -165,7 +165,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
       $header->setLanguageName($language_name);
 
       $writer = new PoStreamWriter();
-      $writer->setUri($uri);
+      $writer->setURI($uri);
       $writer->setHeader($header);
 
       $writer->open();