diff --git a/prepareDeployTarget.sh b/prepareDeployTarget.sh
index 30f1ed6..2687025 100644
--- a/prepareDeployTarget.sh
+++ b/prepareDeployTarget.sh
@@ -59,7 +59,7 @@ sudo npm install -g pm2 pm2-run forever
 sudo rm -rf ~/.npm          # .npm will get owned by root after "sudo npm install -g"
 
 # installer
-mv /tmp/installer "${HOME}"
+rm -rf "${HOME}/installer" && mv /tmp/installer "${HOME}"
 cd "${HOME}/installer" && npm install && npm rebuild
 
 # create deploy directories