diff --git a/tests/ref/ref-to-empty-label-not-possible.png b/tests/ref/ref-to-empty-label-not-possible.png
new file mode 100644
index 000000000..6e5e08f13
Binary files /dev/null and b/tests/ref/ref-to-empty-label-not-possible.png differ
diff --git a/tests/suite/model/ref.typ b/tests/suite/model/ref.typ
index 279637754..3b756e36f 100644
--- a/tests/suite/model/ref.typ
+++ b/tests/suite/model/ref.typ
@@ -90,6 +90,8 @@ Text seen on #ref(<text>, form: "page", supplement: "Page").
 // @ without any following label should just produce the symbol in the output
 // and not produce a reference to a label with an empty name.
 @ \<- this should show up
+
+--- ref-function-can-not-form-empty-label ---
 // using ref() should also not be possible
 // Error: 6-7 unexpected less-than operator
 // Error: 7-8 unexpected greater-than operator