lib/dynamic_image/model.rb in dynamic_image-3.0.2 vs lib/dynamic_image/model.rb in dynamic_image-3.0.3

@@ -98,10 +98,10 @@
     end
 
     # Includes a timestamp fingerprint in the URL param, so
     # that rendered images can be cached indefinitely.
     def to_param
-      [id, updated_at.utc.to_formatted_s(cache_timestamp_format)].join("-")
+      [id, updated_at.utc.to_fs(cache_timestamp_format)].join("-")
     end
 
     private
 
     def read_image_metadata