diff --git a/src/tests/antunit/taskdefs/optional/xz/xz-test.xml b/src/tests/antunit/taskdefs/optional/xz/xz-test.xml
index 585412396..3e4b6a860 100644
--- a/src/tests/antunit/taskdefs/optional/xz/xz-test.xml
+++ b/src/tests/antunit/taskdefs/optional/xz/xz-test.xml
@@ -38,7 +38,7 @@
 
     <target name="testFailTwo" if="xz.present">
         <au:expectfailure expectedmessage="xz cannot handle multiple resources at once. (2 resources were selected.)" message="Should have thrown an exception">
-            <xz destfile="${output}/file.gz">
+            <xz destfile="${output}/file.xz">
                 <fileset dir="${output}" />
             </xz>
         </au:expectfailure>