lib/fluent/plugin/out_s3.rb in fluent-plugin-s3-hubspot-1.0.0.rc6.5 vs lib/fluent/plugin/out_s3.rb in fluent-plugin-s3-hubspot-1.0.0.rc6.6

@@ -283,10 +283,10 @@
         put_options[:acl] = @acl if @acl
 
         if @s3_metadata
           put_options[:metadata] = {}
           @s3_metadata.each do |k, v|
-            put_options[:metadata][k] = extract_placeholders(v, metadata).gsub(%r(%{[^}]+}), {"%{index}" => i})
+            put_options[:metadata][k] = extract_placeholders(v, metadata).gsub(%r(%{[^}]+}), {"%{index}" => i - 1})
           end
         end
         @bucket.object(s3path).put(put_options)
 
         @values_for_s3_object_chunk.delete(chunk.unique_id)