1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_ide/src/hover.rs b/crates/ra_ide/src/hover.rs
index 3bdd61a2e..5b3760c18 100644
--- a/crates/ra_ide/src/hover.rs
+++ b/crates/ra_ide/src/hover.rs
@@ -94,7 +94,7 @@ fn definition_owner_name(db: &RootDatabase, def: &Definition) -> Option<String>
 
 fn determine_mod_path(db: &RootDatabase, def: &Definition) -> Option<String> {
     let mod_path = def.module(db).map(|module| {
-        once(db.crate_graph()[module.krate().into()].display_name.clone())
+        once(db.crate_graph()[module.krate().into()].display_name.as_ref().map(ToString::to_string))
             .chain(
                 module
                     .path_to_root(db)