diff --git a/compiler/solve/tests/solve_expr.rs b/compiler/solve/tests/solve_expr.rs
index da03df77e2..18f964cf0c 100644
--- a/compiler/solve/tests/solve_expr.rs
+++ b/compiler/solve/tests/solve_expr.rs
@@ -5297,11 +5297,12 @@ mod solve_expr {
 
     #[test]
     fn issue_2458() {
+        // TODO: the order of the alias definitions matters
         infer_eq_without_problem(
             indoc!(
                 r#"
-                Foo a : [ Blah (Result (Bar a) { val: a }) ]
                 Bar a : Foo a
+                Foo a : [ Blah (Result (Bar a) { val: a }) ]
 
                 v : Bar U8
                 v = Blah (Ok (Blah (Err { val: 1 })))