diff --git a/sbt/sbt b/sbt/sbt
index 62ead8a69dbf..7e89934a68ff 100755
--- a/sbt/sbt
+++ b/sbt/sbt
@@ -20,10 +20,10 @@
 # This script launches sbt for this project. If present it uses the system 
 # version of sbt. If there is no system version of sbt it attempts to download
 # sbt locally.
-SBT_VERSION=`awk -F "=" '/sbt\\.version/ {print $2}' ./project/build.properties`
+SBT_VERSION=`awk -F "=" '/sbt\\.version/ {print $2}' $SPARK_HOME/project/build.properties`
 URL1=http://typesafe.artifactoryonline.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch.jar
 URL2=http://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch.jar
-JAR=sbt/sbt-launch-${SBT_VERSION}.jar
+JAR=$SPARK_HOME/sbt/sbt-launch-${SBT_VERSION}.jar
 
 # Download sbt launch jar if it hasn't been downloaded yet
 if [ ! -f ${JAR} ]; then