diff --git a/deploy-site.sh b/deploy-site.sh
index 410b90c..1e0c544 100644
--- a/deploy-site.sh
+++ b/deploy-site.sh
@@ -59,4 +59,4 @@ if [ -z ${MEMCACHIER_USERNAME}  ]; then
     exit
 fi
 
-ansible-playbook -i hosts site.yml
+ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -i hosts site.yml