diff --git a/crates/zed/src/main.rs b/crates/zed/src/main.rs
index 6364abba8af5473bc204cd96b2c982f4c0ae6d2f..40a36cf2dba82b3e41e878ce0e1f1acb341a7e59 100644
--- a/crates/zed/src/main.rs
+++ b/crates/zed/src/main.rs
@@ -366,7 +366,7 @@ fn init_panic_hook(app_version: String) {
             }),
             backtrace: format!("{:?}", backtrace)
                 .split("\n")
-                .map(|a| a.to_string())
+                .map(|line| line.to_string())
                 .collect(),
             // modified_backtrace: None,
         };