1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_hir/src/has_source.rs b/crates/ra_hir/src/has_source.rs
index a888fe995..c4c6d66b7 100644
--- a/crates/ra_hir/src/has_source.rs
+++ b/crates/ra_hir/src/has_source.rs
@@ -93,7 +93,7 @@ impl HasSource for Static {
 impl HasSource for Trait {
     type Ast = ast::TraitDef;
     fn source(self, db: &impl DefDatabase) -> InFile<ast::TraitDef> {
-        self.id.source(db)
+        self.id.lookup(db).source(db)
     }
 }
 impl HasSource for TypeAlias {