diff --git a/preinstall b/preinstall
index c1703c8..62d3626 100755
--- a/preinstall
+++ b/preinstall
@@ -25,8 +25,8 @@ for package in required_packages.to_be_installed:
     packages = packages + package + " "
 try:
     breakpoint()
-    ret = run("sudo pacman -S %s") % packages
+    ret = run("sudo", "pacman", "-S", packages)
     print(ret)
 except Exception as e:
-    ret = run("pacman -S %s") % packages
+    ret = run("pacman", "-S", packages)
     print(ret)