diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 0dea89384..756ab0b0e 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -128,7 +128,7 @@ const calloutLineRegex = new RegExp(/^> *\[\!\w+\|?.*?\][+-]?.*$/gm)
 const tagRegex = new RegExp(
   /(?:^| )#((?:[-_\p{L}\p{Emoji}\p{M}\d])+(?:\/[-_\p{L}\p{Emoji}\p{M}\d]+)*)/gu,
 )
-const blockReferenceRegex = new RegExp(/\^([-_A-Za-z0-9]+)$/g)
+const blockReferenceRegex = new RegExp(/\^([-_A-Za-z0-9\u0400-\u04FF]+)$/g);
 const ytLinkRegex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/
 const ytPlaylistLinkRegex = /[?&]list=([^#?&]*)/
 const videoExtensionRegex = new RegExp(/\.(mp4|webm|ogg|avi|mov|flv|wmv|mkv|mpg|mpeg|3gp|m4v)$/)