diff --git a/build.xml b/build.xml
index 9c6d89daa2..0e95d82cf9 100644
--- a/build.xml
+++ b/build.xml
@@ -1273,6 +1273,7 @@ under the License.
                unless:true="${isJava8}">
             <compilerarg line="--patch-module org.apache.poi.stress=${integration.output.test.dir}"/>
             <modulepath>
+                <pathelement path="build/dist/maven/ooxml-schemas"/>
                 <pathelement path="build/dist/maven/poi"/>
                 <pathelement path="build/dist/maven/poi-ooxml"/>
                 <pathelement path="build/dist/maven/poi-scratchpad"/>