diff --git a/rtd_yeastx/build/build.xml b/rtd_yeastx/build/build.xml
index cc46a042d371a175703ec00564091982db0c58b4..feb2565c22819633d430eebdbfd283ee961b4e16 100644
--- a/rtd_yeastx/build/build.xml
+++ b/rtd_yeastx/build/build.xml
@@ -33,6 +33,11 @@
 	</target>
 
 	<target name="run-tests">
+		<copy todir="${classes}">
+			<fileset dir="${sources}">
+				<include name="**/*.xsd" />
+			</fileset>
+		</copy>
 		<antcall target="build-common.run-tests">
 			<param name="test.suite" value="tests.xml" />
 		</antcall>