1 files changed, 8 insertions, 6 deletions
diff --git a/src/output/mod.rs b/src/output/mod.rs
index 84ed0a4..aadcbf9 100644
--- a/src/output/mod.rs
+++ b/src/output/mod.rs
@@ -8,18 +8,20 @@ pub mod pipeline;
 
 pub use self::pipeline::Pipeline;
 
+use self::formats::Format;
 
 /// Build an pipeline for the given command line options.
 pub fn build_pipeline(opt: &Opt) -> Pipeline {
     let stream = io::stdout();
     let aggregator = aggregators::WriteThrough;
 
-    if opt.file_name_only {
-        Pipeline::new(stream, formats::FileOnly, aggregator)
+    let format: Box<dyn Format> = if opt.file_name_only {
+        Box::new(formats::FileOnly)
     } else {
-        let format = formats::HumanReadable {
+        Box::new(formats::HumanReadable {
             show_guilds: opt.guilds,
-        };
-        Pipeline::new(stream, format, aggregator)
-    }
+        })
+    };
+
+    Pipeline::new(Box::new(stream), format, Box::new(aggregator))
 }