diff --git a/build.xml b/build.xml
index 4477ced07b065422c3623610abf1379b3a0aefc8..0a0bc215abc3b6b1e9a99eb6e8a18adbe00b124e 100644
--- a/build.xml
+++ b/build.xml
@@ -122,7 +122,7 @@
     <delete dir="${srcdir}/solr/biblio/index" includeemptydirs="true" failonerror="true" />
     <delete dir="${srcdir}/solr/biblio/spellchecker" includeemptydirs="true" failonerror="true" />
     <delete dir="${srcdir}/solr/biblio/spellShingle" includeemptydirs="true" failonerror="true" />
-    <delete>
+    <delete failonerror="false">
       <fileset dir="${srcdir}/solr/jetty/logs">
         <include name="*.log" />
       </fileset>