diff --git a/spark/start-master.sh b/spark/start-master.sh
index 987a2ce..1d7c9e9 100755
--- a/spark/start-master.sh
+++ b/spark/start-master.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-/usr/local/spark/bin/spark-class org.apache.spark.deploy.master.Master \
+$SPARK_HOME/bin/spark-class org.apache.spark.deploy.master.Master \
     --ip $SPARK_LOCAL_IP \
     --port $SPARK_MASTER_PORT \
     --webui-port $SPARK_MASTER_WEBUI_PORT