diff --git a/tests/fuzz.rs b/tests/fuzz.rs
index 98a3f219..03018252 100644
--- a/tests/fuzz.rs
+++ b/tests/fuzz.rs
@@ -129,5 +129,13 @@ fn fuzz() -> Result<(), message::Message> {
         "12: mdx: handle invalid mdx without panic (GH-26)"
     );
 
+    assert!(
+        matches!(
+            to_html_with_options("<![C&#;", &Options::default()),
+            Ok(_)
+        ),
+        "13: empty `&#;` after `<![C` should not panic decode_numeric"
+    );
+
     Ok(())
 }