diff --git a/bindings/ruby/lib/whisper/model/uri.rb b/bindings/ruby/lib/whisper/model/uri.rb
index fca750278..27eaf794d 100644
--- a/bindings/ruby/lib/whisper/model/uri.rb
+++ b/bindings/ruby/lib/whisper/model/uri.rb
@@ -41,6 +41,8 @@ module Whisper
 
       def cache
         path = cache_path
+        return path if cache_path.exist?
+
         headers = {}
         headers["if-modified-since"] = path.mtime.httpdate if path.exist?
         request @uri, headers