diff --git a/crates/ra_ide_api/src/completion/complete_postfix.rs b/crates/ra_ide_api/src/completion/complete_postfix.rs
index 278b1b797d..e20a12e2ac 100644
--- a/crates/ra_ide_api/src/completion/complete_postfix.rs
+++ b/crates/ra_ide_api/src/completion/complete_postfix.rs
@@ -51,6 +51,8 @@ pub(super) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
         )
         .add_to(acc);
         postfix_snippet(ctx, "dbg", "dbg!(expr)", &format!("dbg!({})", receiver_text)).add_to(acc);
+        postfix_snippet(ctx, "box", "Box::new(expr)", &format!("Box::new({})", receiver_text))
+            .add_to(acc);
     }
 }
 
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__postfix_completion_works_for_trivial_path_expression.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__postfix_completion_works_for_trivial_path_expression.snap
index fcb2925963..c1a40b7b41 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__postfix_completion_works_for_trivial_path_expression.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__postfix_completion_works_for_trivial_path_expression.snap
@@ -1,10 +1,17 @@
 ---
-created: "2019-05-23T22:23:35.118738523Z"
+created: "2019-06-23T13:01:08.775536006Z"
 creator: insta@0.8.1
 source: crates/ra_ide_api/src/completion/completion_item.rs
 expression: kind_completions
 ---
 [
+    CompletionItem {
+        label: "box",
+        source_range: [76; 76),
+        delete: [72; 76),
+        insert: "Box::new(bar)",
+        detail: "Box::new(expr)",
+    },
     CompletionItem {
         label: "dbg",
         source_range: [76; 76),