diff --git a/lib/shakapacker/digest_strategy.rb b/lib/shakapacker/digest_strategy.rb
index 282ee26b..e7b904d6 100644
--- a/lib/shakapacker/digest_strategy.rb
+++ b/lib/shakapacker/digest_strategy.rb
@@ -59,10 +59,10 @@ def compilation_digest_path
         config.cache_path.join(path)
       end
 
-      def generate_host_hash(*keys)
+      def generate_host_hash
         @generated_host_hashes ||= {}
 
-        keys = [Rails.application.config.asset_host, ENV["SHAKAPACKER_ASSET_HOST"]] if keys.empty?
+        keys = [Rails.application.config.asset_host, ENV["SHAKAPACKER_ASSET_HOST"]]
 
         @generated_host_hashes[keys] ||= Digest::SHA1.hexdigest(keys.join("-"))
       end