diff --git a/src/microcosm/__init__.py b/src/microcosm/__init__.py
index 5d53fcb..6f3210a 100644
--- a/src/microcosm/__init__.py
+++ b/src/microcosm/__init__.py
@@ -188,6 +188,7 @@ def init_frontmatter(created_at: datetime, post_type: str, name: Optional[str]=N
         'CONTENT_PREFIX'), ENTITY_TYPE_PLURAL_MAP.get(post_type, post_type + "s"),  created_at.strftime("%Y/%m/%d"), slug + ".md")
 
     frontmatter = {
+        "post_meta": ['date'],
         "url": url,
         "type": ENTITY_TYPE_PLURAL_MAP.get(post_type, post_type + "s"),
         "date": created_at.isoformat(sep='T'),