diff --git a/question/type/truefalse/tests/behat/export.feature b/question/type/truefalse/tests/behat/export.feature
index db2f3d681b8..1f0f4ad9c66 100644
--- a/question/type/truefalse/tests/behat/export.feature
+++ b/question/type/truefalse/tests/behat/export.feature
@@ -27,7 +27,7 @@ Feature: Test exporting True/False questions
     When I navigate to "Question bank > Export" in current page administration
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "1050" and "1200" bytes
+    Then following "click here" should download between "1000" and "1200" bytes
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout