diff --git a/launch/src/main/resources/sbt/sbt.boot.properties b/launch/src/main/resources/sbt/sbt.boot.properties
index dcf0aa35b..e33a3e39e 100644
--- a/launch/src/main/resources/sbt/sbt.boot.properties
+++ b/launch/src/main/resources/sbt/sbt.boot.properties
@@ -1,16 +1,13 @@
 [scala]
   version: 2.8.1
-  classifiers: read(scala.classifiers)[]
 
 [app]
   org: org.scala-tools.sbt
   name: sbt
   version: read(sbt.version)[0.9.4-SNAPSHOT]
-  class: sbt.xMain
+  class: ${sbt.main.class-sbt.xMain}
   components: xsbti
   cross-versioned: true
-  classifiers: read(sbt.classifiers)[]
-  #classifiers: sources, javadoc
 
 [repositories]
   local
@@ -21,14 +18,7 @@
   scala-tools-snapshots
 
 [boot]
- directory: project/boot
- properties: project/build.properties
+ directory: ${sbt.boot.directory-project/boot/}
 
-[log]
- level: info
-
-#[app-properties]
-# sbt.version: quick=set(0.9.0-SNAPSHOT), new=prompt(sbt version)[0.9.0-SNAPSHOT], fill=prompt(sbt version)[0.9.0-SNAPSHOT]
- 
-#[ivy]
-#  ivy-home: /home/user/.ivy2
+[ivy]
+  ivy-home: ${sbt.ivy.home-${user.home}/.ivy2/}