diff --git a/debian/postinst b/debian/postinst
index 525d4d7..6b05236 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -32,7 +32,7 @@ then
     then
 	true
     else
-        echo 'modules_force_load: nvidia, usbhid' >> /etc/booster.yaml
+        echo 'modules_force_load: nvidia,usbhid' >> /etc/booster.yaml
  fi
 else
  if cat /etc/booster.yaml | grep -i 'usbhid'