diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index b6d158c7..c1bec16a 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -123,7 +123,7 @@ const calloutLineRegex = new RegExp(/^> *\[\!\w+\][+-]?.*$/, "gm")
 // #(...)               -> capturing group, tag itself must start with #
 // (?:[-_\p{L}\d\p{Z}])+       -> non-capturing group, non-empty string of (Unicode-aware) alpha-numeric characters and symbols, hyphens and/or underscores
 // (?:\/[-_\p{L}\d\p{Z}]+)*)   -> non-capturing group, matches an arbitrary number of tag strings separated by "/"
-const tagRegex = new RegExp(/(?:^| )#((?:[-_\p{L}\d\p{Z}])+(?:\/[-_\p{L}\d\p{Z}]+)*)/, "gu")
+const tagRegex = new RegExp(/(?:^| )#((?:[-_\p{L}\d])+(?:\/[-_\p{L}\d]+)*)/, "gu")
 const blockReferenceRegex = new RegExp(/\^([A-Za-z0-9]+)$/, "g")
 
 export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (