diff --git a/rtd_phosphonetx/build/build.xml b/rtd_phosphonetx/build/build.xml
index 9aed0fdd9cbbb183c5408793006b67067692ee60..16ad2b930009a46bef1243f21376e6bb4ee68ab8 100644
--- a/rtd_phosphonetx/build/build.xml
+++ b/rtd_phosphonetx/build/build.xml
@@ -126,6 +126,7 @@
 			<classes dir="../openbis/${sources}">
 				<include name="**/*.xml" />
 				<exclude name="**/*.gwt.xml" />
+        <include name="**/*.xsd" />
 			</classes>
 			<lib dir="${lib}/jaxb">
 				<include name="*.jar" />
diff --git a/screening/build/build.xml b/screening/build/build.xml
index 649ee471b7b8d9a58c20d72cda341d2fb2fa3b10..7871b0cc41326a202b52c0509aae6b3087d48ee2 100644
--- a/screening/build/build.xml
+++ b/screening/build/build.xml
@@ -133,6 +133,7 @@
       <classes dir="../openbis/${sources}">
         <include name="**/*.xml" />
         <exclude name="**/*.gwt.xml" />
+        <include name="**/*.xsd" />
       </classes>
       <lib dir="${lib}/jaxb">
         <include name="*.jar" />