diff --git a/spcd.sh b/spcd.sh
index 62ba35b..3e25962 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -699,7 +699,10 @@ spcd_install_packages() {
 	"${SPCD_OS_DEBIAN}" | "${SPCD_OS_UBUNTU}")
 		spcd_install_package "python3-venv"
 		;;
-	# FIXME arch
+	"${SPCD_OS_ARCH}")
+		# FIXME arch
+		exit 255
+		;;
 	*) ;;
 	esac
 	spcd_split