diff --git a/build.xml b/build.xml
index c7282417afa8d92f49ef0b00ea9ba9d0a68de1ae..7361f3f4ca0b82383d7ac983542ee078dd2fb819 100644
--- a/build.xml
+++ b/build.xml
@@ -189,7 +189,7 @@
         <tstamp>
             <format property="build.timestamp" pattern="yyyy-MM-dd HH:mm:ss z" timezone="UTC" locale="en" />
         </tstamp>
-        <property name="full.version" value="${release.number}-${build.number}${build.extra}" />
+        <property name="full.version" value="${release.number}-${i2p.build.number}${build.extra}" />
         <echo message="Building version ${full.version} (mtn rev ${workspace.version})" />
     </target>
 
@@ -404,7 +404,7 @@
             packagenames="*"
             use="true"
             splitindex="true"
-            doctitle="I2P Javadocs for Release ${release.number} Build ${build.number}${build.extra}"
+            doctitle="I2P Javadocs for Release ${release.number} Build ${i2p.build.number}${build.extra}"
             windowtitle="I2P Anonymous Network - Java Documentation - Version ${release.number}">
             <group title="Core SDK (i2p.jar)" packages="net.i2p:net.i2p.*:net.i2p.client:net.i2p.client.*:net.i2p.internal:net.i2p.internal.*:freenet.support.CPUInformation:org.bouncycastle.crypto:org.bouncycastle.crypto.*:gnu.crypto.*:gnu.gettext:org.xlattice.crypto.filters:com.nettgryppa.security:net.metanotion:net.metanotion.*" />
             <group title="Streaming Library" packages="net.i2p.client.streaming" />
@@ -465,7 +465,7 @@
             packagenames="*"
             use="true"
             splitindex="true"
-            doctitle="I2P Unit Test Javadocs for Release ${release.number} Build ${build.number}${build.extra}"
+            doctitle="I2P Unit Test Javadocs for Release ${release.number} Build ${i2p.build.number}${build.extra}"
             windowtitle="I2P Anonymous Network - Java Documentation - Version ${release.number}">
             <group title="Core SDK" packages="net.i2p:net.i2p.*:net.i2p.client:net.i2p.client.*:net.i2p.internal:net.i2p.internal.*:freenet.support.CPUInformation:org.bouncycastle.crypto:org.bouncycastle.crypto.*:gnu.crypto.*:gnu.gettext:org.xlattice.crypto.filters:com.nettgryppa.security:net.metanotion:net.metanotion.*" />
             <group title="Router" packages="net.i2p.router:net.i2p.router.*:net.i2p.data.i2np:org.cybergarage.*:org.freenetproject" />
@@ -525,7 +525,7 @@
             <arg value="&quot;[:space:]&quot;"/>
         </exec>
         <property name="build.temp.tr" value="??" />
-        <exec executable="cut" inputstring="${build.temp.tr}" outputproperty="build.number" failifexecutionfails="false" >
+        <exec executable="cut" inputstring="${build.temp.tr}" outputproperty="i2p.build.number" failifexecutionfails="false" >
             <arg value="-f1" />
             <arg value="-d;" />
         </exec>
@@ -534,9 +534,9 @@
             <arg value="/public final static String EXTRA/{print $2}" />
             <arg value="router/java/src/net/i2p/router/RouterVersion.java" />
         </exec>
-        <property name="build.number" value="??" />
+        <property name="i2p.build.number" value="??" />
         <property name="build.extra" value="" />
-        <echo message="Build number is ${build.number}${build.extra}" />
+        <echo message="Build number is ${i2p.build.number}${build.extra}" />
     </target>
 
     <target name="verifyReleaseBuildNumbers" depends="getReleaseNumber, getBuildNumber" >
@@ -548,10 +548,10 @@
                 </or>
             </condition>
         </fail>
-        <fail message="Non-zero build number: ${build.number}" >
+        <fail message="Non-zero build number: ${i2p.build.number}" >
             <condition>
                 <not>
-                    <equals arg1="${build.number}" arg2="0"/>
+                    <equals arg1="${i2p.build.number}" arg2="0"/>
                 </not>
             </condition>
         </fail>
@@ -1178,7 +1178,7 @@
         <mkdir dir="pkg-temp/installer" />
         <!-- set if unset -->
         <property name="workspace.changes.util.tr" value="" />
-	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}.jar" installerType="standard" basedir="${basedir}" />
+	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}.jar" installerType="standard" basedir="${basedir}" />
     </target>
 
 
@@ -1186,14 +1186,14 @@
         <mkdir dir="pkg-temp/installer" />
         <!-- set if unset -->
         <property name="workspace.changes.util.tr" value="" />
-	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}_freebsd-only.jar" installerType="standard" basedir="${basedir}" />
+	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}_freebsd-only.jar" installerType="standard" basedir="${basedir}" />
     </target>
 
     <target name="installer-linux" depends="clean, preppkg-linux-only, getReleaseNumber, getBuildNumber, buildProperties, util-list-changes, izpack-patches" >
         <mkdir dir="pkg-temp/installer" />
         <!-- set if unset -->
         <property name="workspace.changes.util.tr" value="" />
-	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}_linux-only.jar" installerType="standard" basedir="${basedir}" />
+	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}_linux-only.jar" installerType="standard" basedir="${basedir}" />
     </target>
 
 
@@ -1202,7 +1202,7 @@
 	<mkdir dir="pkg-temp/osx" />
         <!-- set if unset -->
         <property name="workspace.changes.util.tr" value="" />
-	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}_osx-only.jar" installerType="standard" basedir="${basedir}" />
+	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}_osx-only.jar" installerType="standard" basedir="${basedir}" />
 	<ant target="installer2app" />
 	<delete dir="pkg-temp/osx" />
     </target>
@@ -1215,21 +1215,21 @@
 	<mkdir dir="pkg-temp/osx" />
 	<exec executable="python" failonerror="true">
 	    <arg value="${user.home}/IzPack/utils/wrappers/izpack2app/izpack2app.py" />
-	    <arg value="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}_osx-only.jar" />
-	    <arg value="${basedir}/pkg-temp/osx/i2p-${release.number}-${build.number}${build.extra}_osx-install.app" />
+	    <arg value="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}_osx-only.jar" />
+	    <arg value="${basedir}/pkg-temp/osx/i2p-${release.number}-${i2p.build.number}${build.extra}_osx-install.app" />
 	</exec>
 	<exec executable="chmod" failonerror="true" osfamily="unix">
 		<arg value="755" />
-		<arg value="${basedir}/pkg-temp/osx/i2p-${release.number}-${build.number}${build.extra}_osx-install.app/Contents/MacOS/JavaApplicationStub" />
+		<arg value="${basedir}/pkg-temp/osx/i2p-${release.number}-${i2p.build.number}${build.extra}_osx-install.app/Contents/MacOS/JavaApplicationStub" />
 	</exec>
 	<exec executable="tar" osfamily="unix" failonerror="true">
 		<arg value="--owner=root" />
 		<arg value="--group=root" />
 		<arg value="-cjvf" />
-		<arg value="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}_osx.tar.bz2" />
+		<arg value="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}_osx.tar.bz2" />
 		<arg value="-C" />
 		<arg value="${basedir}/pkg-temp/osx" />
-		<arg value="i2p-${release.number}-${build.number}${build.extra}_osx-install.app" />
+		<arg value="i2p-${release.number}-${i2p.build.number}${build.extra}_osx-install.app" />
 	</exec>
     </target>
 
@@ -1264,7 +1264,7 @@
                 <attribute name="Workspace-Changes" value="${workspace.changes.util.tr}" />
             </manifest>
         </jar>
-	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${build.number}${build.extra}_windows-only.jar" installerType="standard" basedir="${basedir}" />
+	<izpack input="${basedir}/installer/install.xml" output="${basedir}/i2pinstall_${release.number}-${i2p.build.number}${build.extra}_windows-only.jar" installerType="standard" basedir="${basedir}" />
 	<delete dir="pkg-temp/win" />
     </target>