diff --git a/releng/build-scripts/build/p2helper.xml b/releng/build-scripts/build/p2helper.xml
index 31cda67..28ebef5 100644
--- a/releng/build-scripts/build/p2helper.xml
+++ b/releng/build-scripts/build/p2helper.xml
@@ -49,6 +49,27 @@
         </java>
     </target>
 
+    <target name="installFeatureFromUrl">
+        <echo message="Installing ${feature} from ${sourceUpdatesUrl} to ${targetEclipseDir}"/>
+        <java
+                inputstring=""
+                dir="${targetEclipseDir}"
+                fork="true"
+                classname="org.eclipse.equinox.launcher.Main"
+                classpath="${targetEclipseDir}/plugins/${org.eclipse.equinox.launcher_jar}">
+            <jvmarg value="-Declipse.p2.MD5Check=false" />
+            <arg value="-consoleLog"/>
+            <arg value="-application"/>
+            <arg value="org.eclipse.equinox.p2.director"/>
+            <arg value="-metadataRepository" />
+            <arg value="${sourceUpdatesUrl}" />
+            <arg value="-artifactRepository" />
+            <arg value="${sourceUpdatesUrl}" />
+            <arg value="-installIU" />
+            <arg value="${feature}" />
+        </java>
+    </target>
+
     <target name="installOTDT">
     	<echo message="Installing the OTDT from ${otdtUpdatesDir} into ${test.eclipseDir}"/>
         <antcall target="installFeature">
diff --git a/releng/build-scripts/build/run.xml b/releng/build-scripts/build/run.xml
index 05f7e0c..f3417bb 100644
--- a/releng/build-scripts/build/run.xml
+++ b/releng/build-scripts/build/run.xml
@@ -65,7 +65,7 @@
 
 		<!--	directories for update sites: -->
 		<property name="compilerUpdatesDir"		value="${user.dir}/updateSiteCompiler"/>
-		<property name="previousPublishedUpdatesDir"		value="${user.dir}/updateSiteSigned"/>
+		<property name="previousPublishedUpdatesDir"		value="http://download.eclipse.org/objectteams/updates/ot2.7/201806051508"/>
 		<property name="otdtUpdatesDir" 		value="${user.dir}/updateSite"/>
 		<property name="testsUpdatesDirBase" 	value="${user.dir}/updateSiteTests"/>
 			<!-- will have sub directories "eclipse" and "otdt" -->
@@ -262,9 +262,9 @@
         </java>
 .. by try to re-use the compiler from the previous published build: -->
 		<!-- Now we should have an update site with the patch feature, time to install it into base: -->
-        <ant antfile="${OTScriptDir}/p2helper.xml" target="installFeature" dir="${baseLocation}">
+        <ant antfile="${OTScriptDir}/p2helper.xml" target="installFeatureFromUrl" dir="${baseLocation}">
             <property name="feature" value="org.eclipse.objectteams.otdt.core.patch.feature.group"/>
-            <property name="sourceUpdatesDir" value="${previousPublishedUpdatesDir}"/>
+            <property name="sourceUpdatesUrl" value="${previousPublishedUpdatesDir}"/>
             <property name="targetEclipseDir" value="${baseLocation}"/>
         </ant>
     </target>