diff --git a/install-unix.sh b/install-unix.sh
index db83d61..151c02d 100755
--- a/install-unix.sh
+++ b/install-unix.sh
@@ -42,11 +42,11 @@ fi
 echo installling event_name=$1
 
 vm_cmd="cd ~/uber/ && ./run-simple-deploy.sh $1 && rm -f ./run-simple-deploy.sh"
-git clone https://github.com/magfest/ubersystem-deploy
+test -d ubersystem-deploy || git clone https://github.com/magfest/ubersystem-deploy
 cd ubersystem-deploy
 vagrant up
 cp ../installfiles/run-simple-deploy.sh .
-vagrant ssh -c \'$vm_cmd\'
+vagrant ssh -c "$vm_cmd"
 
 # not sure how / if we should do this on *nix
 # start http://localhost:8000/uber/accounts/insert_test_admin