diff --git a/Dockerfile b/Dockerfile
index c7ca4ba..dd1bf41 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -76,6 +76,7 @@ RUN del C:\shibboleth-identity-provider-%IDP_VERSION%-x64.msi
 
 ##add JSTL
 ADD https://build.shibboleth.net/nexus/service/local/repositories/thirdparty/content/javax/servlet/jstl/1.2/jstl-1.2.jar c:\\opt\\shibboleth-idp\\edit-webapp\\WEB-INF\\lib\\jstl-1.2.jar
+RUN C:/opt/shibboleth-idp/bin/build.bat -noinput -S -q -Didp.target.dir=c:/opt/shibboleth-idp
 
 #link IdP's war file to Tomcat
 RUN mklink c:\Tomcat\webapps\idp.war c:\opt\shibboleth-idp\war\idp.war