diff --git a/crates/ra_ide_api/src/hover.rs b/crates/ra_ide_api/src/hover.rs
index 9c35db2a4b..f56965ef5a 100644
--- a/crates/ra_ide_api/src/hover.rs
+++ b/crates/ra_ide_api/src/hover.rs
@@ -18,6 +18,12 @@ pub struct HoverResult {
     exact: bool,
 }
 
+impl Default for HoverResult {
+    fn default() -> Self {
+        HoverResult::new()
+    }
+}
+
 impl HoverResult {
     pub fn new() -> HoverResult {
         HoverResult {