diff --git a/src/fastfield/multivalued/mod.rs b/src/fastfield/multivalued/mod.rs
index d70831c85..172f758e0 100644
--- a/src/fastfield/multivalued/mod.rs
+++ b/src/fastfield/multivalued/mod.rs
@@ -239,7 +239,8 @@ mod tests {
         index_writer.add_document(doc!(bool_field=> true, bool_field => false))?;
         index_writer.add_document(doc!())?;
         index_writer.add_document(doc!(bool_field=> false))?;
-        index_writer.add_document(doc!(bool_field=> true, bool_field => true, bool_field => false))?;
+        index_writer
+            .add_document(doc!(bool_field=> true, bool_field => true, bool_field => false))?;
         index_writer.commit()?;
 
         let searcher = index.reader()?.searcher();