diff --git a/scripts/cloudron-setup b/scripts/cloudron-setup
index 9cae2dda0..b653669b9 100755
--- a/scripts/cloudron-setup
+++ b/scripts/cloudron-setup
@@ -49,6 +49,11 @@ if [[ -z "${provider}" ]]; then
     exit 1
 fi
 
+if [[ -z "${encryptionKey}" ]]; then
+    echo "--encryption-key is required"
+    exit 1
+fi
+
 echo ""
 echo "##############################################"
 echo "        Cloudron Setup (${version})           "