diff --git a/scripts/setup_wizard.sh b/scripts/setup_wizard.sh
index 1c55361..a87fcbf 100755
--- a/scripts/setup_wizard.sh
+++ b/scripts/setup_wizard.sh
@@ -159,7 +159,14 @@ export KEY_LOCATION=$(readlink -f $KEY_LOCATION)
 confirm_inputs "CERT_LOCATION" "KEY_LOCATION"
 
 if [ ! -f "$CERT_LOCATION" ] || [ ! -f "$KEY_LOCATION" ]; then
-    log_error "Certificate or key file does not exist at specified locations."
+    (umask 077; mkdir -p "${CERT_DIR}")
+    cd "${CERT_DIR}"
+    step ca root root_ca.crt
+    hostname=$(hostname -s) step ca certificate "$hostname" cert.pem key.pem \
+        --san "$hostname" \
+        --san "$hostname.john-stream.com" \
+        --san "$IP_ADDRESS" \
+        --provisioner admin
     exit 1
 fi