diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 941b8bf1a..d960518cc 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -25,7 +25,7 @@ module Mastodon
     end
 
     def build_metadata
-      ['chinwag', ENV.fetch('MASTODON_VERSION_METADATA', nil)].compact_blank.join('.')
+      ['chinwag.regex', ENV.fetch('MASTODON_VERSION_METADATA', nil)].compact_blank.join('.')
     end
 
     def to_a