diff --git a/Makefile b/Makefile
index a950521..770fac4 100644
--- a/Makefile
+++ b/Makefile
@@ -10,9 +10,9 @@ ifeq ($(UNAME),Darwin)
 	brew outdated boost || brew upgrade boost || brew install boost
 	brew outdated python || brew upgrade python || brew install python
 	sudo -H python2 -m pip install -U pip setuptools
+	sudo -H python2 -m pip install --force-reinstall --no-deps -U pip
 	sudo -H python2 -m pip install rosinstall_generator wstool rosdep empy catkin_pkg
 	sudo -H rosdep init
-	alias pip="python2 -m pip"
 	rosdep update
 	mkdir catkin_ws
 	cd catkin_ws && rosinstall_generator catkin --rosdistro hydro --tar > catkin.rosinstall