diff --git a/assets/dtd/blocklist.txt b/assets/dtd/blocklist.txt
index 91e2b472..66c9faca 100644
--- a/assets/dtd/blocklist.txt
+++ b/assets/dtd/blocklist.txt
@@ -3,3 +3,4 @@ element *: validity error : No declaration for attribute data-* of element *
 element style: validity error : Element style does not carry attribute type
 element svg: validity error : Value for attribute version of svg must be *
 third_party/rust/**/*.svg
+element *: validity error : No declaration for attribute gid of element *