diff --git a/src/TwigExtension.php b/src/TwigExtension.php
index af449d4..cccf5b0 100644
--- a/src/TwigExtension.php
+++ b/src/TwigExtension.php
@@ -1333,7 +1333,7 @@ class TwigExtension extends AbstractExtension {
    */
   public function phpFilter(array $context, $code) {
     // Make Twig variables available in PHP code.
-    extract($context);
+    extract($context, EXTR_SKIP);
     ob_start();
     // phpcs:ignore Drupal.Functions.DiscouragedFunctions.Discouraged
     print eval($code);