diff --git a/autostart/services/firefox.service b/autostart/services/firefox@.service
similarity index 60%
rename from autostart/services/firefox.service
rename to autostart/services/firefox@.service
index 6d794ef..6e63ceb 100644
--- a/autostart/services/firefox.service
+++ b/autostart/services/firefox@.service
@@ -3,5 +3,5 @@ BindsTo=autostart.target
 After=windowmanager.target
 
 [Service]
-ExecStart=/usr/bin/env firefox --setDefaultBrowser -P default
+ExecStart=/usr/bin/env firefox --setDefaultBrowser -P %i
 PassEnvironment=DISPLAY