diff --git a/src/protocol/tests/parser_inference.rs b/src/protocol/tests/parser_inference.rs
index 6855fa19d14c0253ac287c308363f9cb46b5c279..24cc508e75e7af70f556403233bb27b8c5565652 100644
--- a/src/protocol/tests/parser_inference.rs
+++ b/src/protocol/tests/parser_inference.rs
@@ -366,8 +366,8 @@ fn test_failed_polymorph_inference() {
         "
     ).error(|e| { e
         .assert_num(2)
-        .assert_msg_has(0, "the type 'Uninteresting<byte>'")
-        .assert_msg_has(1, "type 'Uninteresting<int>'");
+        .assert_any_msg_has("type 'Uninteresting<byte>'")
+        .assert_any_msg_has("type 'Uninteresting<int>'");
     });
 
     Tester::new_single_source_expect_err(