1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_ide_api/src/display/function_signature.rs b/crates/ra_ide_api/src/display/function_signature.rs
index d09950bce..d0c155de7 100644
--- a/crates/ra_ide_api/src/display/function_signature.rs
+++ b/crates/ra_ide_api/src/display/function_signature.rs
@@ -33,7 +33,7 @@ impl FunctionSignature {
 
     pub(crate) fn from_hir(db: &db::RootDatabase, function: hir::Function) -> Self {
         let doc = function.docs(db);
-        let (_, ast_node) = function.source(db);
+        let ast_node = function.source(db).ast;
         FunctionSignature::from(&*ast_node).with_doc_opt(doc)
     }
 }