1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_editor/src/assists/add_derive.rs b/crates/ra_editor/src/assists/add_derive.rs
index 1e2cd4f30..6e964d011 100644
--- a/crates/ra_editor/src/assists/add_derive.rs
+++ b/crates/ra_editor/src/assists/add_derive.rs
@@ -28,7 +28,7 @@ pub fn add_derive(ctx: AssistCtx) -> Option<Assist> {
 }
 
 // Insert `derive` after doc comments.
-fn derive_insertion_offset(nominal: ast::NominalDef) -> Option<TextUnit> {
+fn derive_insertion_offset(nominal: &ast::NominalDef) -> Option<TextUnit> {
     let non_ws_child = nominal
         .syntax()
         .children()