diff --git a/Makefile b/Makefile
index d9aa61f..b6d5bff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,18 +1,19 @@
+REBAR?=./rebar
 
 all: build
 
 clean:
-	./rebar clean
+	$(REBAR) clean
 	rm -rf logs
 	rm -rf .eunit
 	rm test/*.beam
 
 deps: ./deps/
-	./rebar get-deps update-deps
+	$(REBAR) get-deps update-deps
 
 
 build: deps
-	./rebar compile
+	$(REBAR) compile
 
 
 etap: test/etap.beam test/util.beam
@@ -20,7 +21,7 @@ etap: test/etap.beam test/util.beam
 
 
 eunit:
-	./rebar eunit skip_deps=true
+	$(REBAR) eunit skip_deps=true
 
 
 check: etap eunit
diff --git a/rebar b/rebar
index b75aa6d..f4b5f3b 100755
Binary files a/rebar and b/rebar differ