diff --git a/tests/test_expr.rs b/tests/test_expr.rs
index c5e3b4b..e369ba0 100644
--- a/tests/test_expr.rs
+++ b/tests/test_expr.rs
@@ -50,6 +50,7 @@ pub enum RustupError {
     },
 }
 
+#[track_caller]
 fn assert<T: Display>(expected: &str, value: T) {
     assert_eq!(expected, value.to_string());
 }