diff --git a/scripts/cloudron-setup b/scripts/cloudron-setup
index 8c2595907..dc6b386e3 100755
--- a/scripts/cloudron-setup
+++ b/scripts/cloudron-setup
@@ -61,8 +61,9 @@ webServerOrigin="https://cloudron.io"
 sourceTarballUrl=""
 rebootServer="true"
 setupToken=""
+redo="false"
 
-args=$(getopt -o "" -l "help,skip-baseimage-init,provider:,version:,env:,skip-reboot,generate-setup-token" -n "$0" -- "$@")
+args=$(getopt -o "" -l "help,skip-baseimage-init,provider:,version:,env:,skip-reboot,generate-setup-token,redo" -n "$0" -- "$@")
 eval set -- "${args}"
 
 while true; do
@@ -85,6 +86,7 @@ while true; do
         shift 2;;
     --skip-baseimage-init) initBaseImage="false"; shift;;
     --skip-reboot) rebootServer="false"; shift;;
+    --redo) redo="true"; shift;;
     --generate-setup-token) setupToken="$(openssl rand -hex 10)"; shift;;
     --) break;;
     *) echo "Unknown option $1"; exit 1;;
@@ -105,8 +107,10 @@ if [[ "${ubuntu_version}" != "16.04" && "${ubuntu_version}" != "18.04" && "${ubu
 fi
 
 if which nginx >/dev/null || which docker >/dev/null || which node > /dev/null; then
-    echo "Error: Some packages like nginx/docker/nodejs are already installed. Cloudron requires specific versions of these packages and will install them as part of it's installation. Please start with a fresh Ubuntu install and run this script again." > /dev/stderr
-    exit 1
+    if [[ "${redo}" == "false" ]]; then
+        echo "Error: Some packages like nginx/docker/nodejs are already installed. Cloudron requires specific versions of these packages and will install them as part of it's installation. Please start with a fresh Ubuntu install and run this script again." > /dev/stderr
+        exit 1
+    fi
 fi
 
 # Install MOTD file for stack script style installations. this is removed by the trap exit handler. Heredoc quotes prevents parameter expansion