diff --git a/hack/cluster-up.sh b/hack/cluster-up.sh
index 22fe1fc..efc4dc1 100755
--- a/hack/cluster-up.sh
+++ b/hack/cluster-up.sh
@@ -6,9 +6,9 @@ set -xe
 vagrant up
 
 # Grab all the IP addresses
-MASTER_IP=$(vagrant ssh master -c "hostname -I" 2>/dev/null | xargs echo -n)
-MINION_1_IP=$(vagrant ssh minion-1 -c "hostname -I" 2>/dev/null | xargs echo -n)
-MINION_2_IP=$(vagrant ssh minion-2 -c "hostname -I" 2>/dev/null | xargs echo -n)
+MASTER_IP=$(vagrant ssh master -c "hostname -I | cut -d' ' -f1" 2>/dev/null | xargs echo -n)
+MINION_1_IP=$(vagrant ssh minion-1 -c "hostname -I | cut -d' ' -f1" 2>/dev/null | xargs echo -n)
+MINION_2_IP=$(vagrant ssh minion-2 -c "hostname -I | cut -d' ' -f1" 2>/dev/null | xargs echo -n)
 
 # Start up an SSH agent
 eval `ssh-agent -s`