diff --git a/Library/Homebrew/service.rb b/Library/Homebrew/service.rb
index 25b57cd319..f40cff066f 100644
--- a/Library/Homebrew/service.rb
+++ b/Library/Homebrew/service.rb
@@ -376,12 +376,13 @@ module Homebrew
         base[:StartCalendarInterval] = @cron.reject { |_, value| value == "*" }
       end
 
-      # Adding all session types has as the primary effect that if you initialise it through e.g. a Background session and you later "physically"
-      # sign in to the owning account (Aqua session), things shouldn't flip out.
-      # Also, we're not checking @process_type here because that is used to indicate process priority and not necessarily if it should run in a
-      # specific session type. Like database services could run with ProcessType Interactive so they have no resource limitations enforced
-      # upon them, but they aren't really interactive in the general sense.
-      base[:LimitLoadToSessionType] = ["Aqua", "Background", "LoginWindow", "StandardIO", "System"]
+      # Adding all session types has as the primary effect that if you initialise it through e.g. a Background session
+      # and you later "physically" sign in to the owning account (Aqua session), things shouldn't flip out.
+      # Also, we're not checking @process_type here because that is used to indicate process priority and not
+      # necessarily if it should run in a specific session type. Like database services could run with ProcessType
+      # Interactive so they have no resource limitations enforced upon them, but they aren't really interactive in the
+      # general sense.
+      base[:LimitLoadToSessionType] = %w[Aqua Background LoginWindow StandardIO System]
 
       base.to_plist
     end