diff --git a/quartz/plugins/transformers/lastmod.ts b/quartz/plugins/transformers/lastmod.ts
index b3116b444..fd5769263 100644
--- a/quartz/plugins/transformers/lastmod.ts
+++ b/quartz/plugins/transformers/lastmod.ts
@@ -48,7 +48,7 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options>> = (u
                 created ||= st.birthtimeMs
                 modified ||= st.mtimeMs
               } else if (source === "frontmatter" && file.data.frontmatter) {
-                created ||= file.data.frontmatter.date as MaybeDate
+                created ||= file.data.frontmatter.created as MaybeDate
                 modified ||= file.data.frontmatter.modified as MaybeDate
                 published ||= file.data.frontmatter.published as MaybeDate
               } else if (source === "git") {