1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 805357662..4fb5844f4 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -167,7 +167,7 @@ impl ModuleSource {
     ) -> ModuleSource {
         match (file_id, decl_id) {
             (Some(file_id), _) => {
-                let source_file = db.parse(file_id).tree;
+                let source_file = db.parse(file_id).tree().to_owned();
                 ModuleSource::SourceFile(source_file)
             }
             (None, Some(item_id)) => {