diff --git a/tests/unit/stylo/specified_values.rs b/tests/unit/stylo/specified_values.rs
index 484f9534502..fa71afe0396 100644
--- a/tests/unit/stylo/specified_values.rs
+++ b/tests/unit/stylo/specified_values.rs
@@ -17,7 +17,7 @@ fn size_of_specified_values() {
                 let size = size_of::<style::properties::longhands::$name::SpecifiedValue>();
                 let is_boxed = $boxed;
                 if (!is_boxed && size > threshold) || (is_boxed && size <= threshold) {
-                    bad_properties.push(("$name", size, is_boxed));
+                    bad_properties.push((stringify!($name), size, is_boxed));
                 }
             )+
         }