diff --git a/Library/Homebrew/utils/analytics.rb b/Library/Homebrew/utils/analytics.rb
index 3f9f4c71dd..dc44a0b3a6 100644
--- a/Library/Homebrew/utils/analytics.rb
+++ b/Library/Homebrew/utils/analytics.rb
@@ -4,7 +4,7 @@ module Utils
   module Analytics
     class << self
       def custom_prefix_label
-        "generic-prefix".freeze
+        "custom-prefix".freeze
       end
 
       def clear_os_prefix_ci