diff --git a/availability/condition/completion/tests/behat/conditional_bug.feature b/availability/condition/completion/tests/behat/conditional_bug.feature
index 402afdd9e6e..b2d39004c5f 100644
--- a/availability/condition/completion/tests/behat/conditional_bug.feature
+++ b/availability/condition/completion/tests/behat/conditional_bug.feature
@@ -46,7 +46,7 @@ Feature: Confirm that conditions on completion no longer cause a bug
     And I set the field "Activity or resource" to "Page1"
     And I press "Add restriction..."
     And I click on "Activity completion" "button" in the "Add restriction..." "dialogue"
-    And I set the field with xpath "//div[@class='availability-item'][preceding-sibling::div]//select[@name='cm']" to "Page2"
+    And I set the field with xpath "//div[contains(concat(' ', normalize-space(@class), ' '), ' availability-item ')][preceding-sibling::div]//select[@name='cm']" to "Page2"
     And I press "Save and return to course"
     And I should see "Not available unless:" in the ".activity.glossary" "css_element"
     And I should see "The activity Page1 is marked complete" in the ".activity.glossary" "css_element"