diff --git a/acceptance/WcmsTestsLinkFieldCest.php b/acceptance/WcmsTestsLinkFieldCest.php
index bd9029a33a0daf91e8632f96c226aed8cc35a089..ba61256487f8ff674543f53a2a68035db30c9949 100644
--- a/acceptance/WcmsTestsLinkFieldCest.php
+++ b/acceptance/WcmsTestsLinkFieldCest.php
@@ -311,6 +311,9 @@ class WcmsTestsLinkFieldCest {
           $i->click($block);
           $i->waitForText('Configure block');
 
+          // Switch the block form iframe.
+          $i->switchToIFrame('iframe[class="lbim-dialog-iframe"]');
+
           // Fill the block fields.
           $this->fillBlockFields($i, $fields, 'Add block');