diff --git a/shared/grammar/tag.extension.ts b/shared/grammar/tag.extension.ts
index e9d59e0..d8763eb 100644
--- a/shared/grammar/tag.extension.ts
+++ b/shared/grammar/tag.extension.ts
@@ -15,7 +15,7 @@ export const tag: MarkdownConfig = {
             if (cx.slice(pos, pos + 1).charCodeAt(0) !== 35 || String.fromCharCode(next).trim() === '') return -1;
 
             const end = cx.slice(pos, cx.end).search(/\s/);
-            return cx.addElement(cx.elt('Tag', pos, end === -1 ? cx.end : end, [ cx.elt('TagMeta', pos, pos + 1) ]));
+            return cx.addElement(cx.elt('Tag', pos, end === -1 ? cx.end : pos + end, [ cx.elt('TagMeta', pos, pos + 1) ]));
         },
     }],
     props: [