diff --git a/Library/Homebrew/cask/cask_loader.rb b/Library/Homebrew/cask/cask_loader.rb
index e9ae5e4196..1b21258758 100644
--- a/Library/Homebrew/cask/cask_loader.rb
+++ b/Library/Homebrew/cask/cask_loader.rb
@@ -217,8 +217,9 @@ module Cask
 
         json_cask.deep_symbolize_keys!
 
-        # Download and use the cask source file if there are any `*flight` blocks
-        if json_cask[:artifacts].any? { |artifact| FLIGHT_STANZAS.include?(artifact.keys.first) }
+        # Use the cask-source API if there are any `*flight` blocks or the cask has multiple languages
+        if json_cask[:artifacts].any? { |artifact| FLIGHT_STANZAS.include?(artifact.keys.first) } ||
+           json_cask[:languages].any?
           cask_source = Homebrew::API::Cask.fetch_source(token, git_head: json_cask[:tap_git_head])
           return FromContentLoader.new(cask_source).load(config: config)
         end