diff --git a/deploy.sh b/deploy.sh
index 3440216..58105b0 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -67,6 +67,8 @@ hardware_detection() {
 	local TMPFILE="/tmp/nixos-installation-hw-detection"
 
 	ssh_to_host 'bash -s' << SSHEND
+TARGET_GRAPHICS_BRAND=()
+
 for brand in Intel AMD NVIDIA; do
   if lspci -nn 2>/dev/null | grep -i "vga" | grep -iq "\${brand}"; then
     TARGET_GRAPHICS="true"