diff --git a/src/Algorithms/orensemble/Makefile b/src/Algorithms/orensemble/Makefile
index a6b0b06..40d53dc 100644
--- a/src/Algorithms/orensemble/Makefile
+++ b/src/Algorithms/orensemble/Makefile
@@ -1,10 +1,9 @@
-
-all: orensemble
-	make -C orensemble
+all: untar
+	make -e -C orensemble
 	mv orensemble/boostrank-predict .
 	mv orensemble/boostrank-train .
 
-orensemble:
+untar:
 	tar xzf orensemble.tar.gz
 
 clean:
diff --git a/src/Algorithms/orensemble/orensemble.tar.gz b/src/Algorithms/orensemble/orensemble.tar.gz
index e6bb2e1..19e3405 100644
Binary files a/src/Algorithms/orensemble/orensemble.tar.gz and b/src/Algorithms/orensemble/orensemble.tar.gz differ