diff --git a/src/components/blog/Hero.astro b/src/components/blog/Hero.astro
index 54430a9..af15ebb 100644
--- a/src/components/blog/Hero.astro
+++ b/src/components/blog/Hero.astro
@@ -76,7 +76,7 @@ const dateTimeOptions: Intl.DateTimeFormatOptions = {
 				<path d='M6 9h-.01' />
 			</svg>
 			<div class='space-x-1'>
-				{data.tags.map((tag) => (
+				{data.tags?.map((tag) => (
 					<a
 						aria-label={`View more blogs with the tag ${tag}`}
 						class="inline-block before:content-['#'] hover:underline hover:underline-offset-4"
diff --git a/src/content/config.ts b/src/content/config.ts
index 096db73..411500a 100644
--- a/src/content/config.ts
+++ b/src/content/config.ts
@@ -19,7 +19,7 @@ const post = defineCollection({
 				.transform((val) => new Date(val)),
 			coverImage: z.string().optional(),
 			draft: z.boolean().default(false),
-			tags: z.array(z.string()).default([]).transform(removeDupsAndLowerCase),
+			tags: z.array(z.string()).optional().default([]).transform(removeDupsAndLowerCase),
 			ogImage: z.string().optional(),
 			category: z.string().optional().nullable(),
 			finished: z.boolean().default(false)
diff --git a/src/pages/tags/[tag]/[...page].astro b/src/pages/tags/[tag]/[...page].astro
index d0af14c..1526b07 100644
--- a/src/pages/tags/[tag]/[...page].astro
+++ b/src/pages/tags/[tag]/[...page].astro
@@ -16,7 +16,7 @@ export const getStaticPaths: GetStaticPaths = async ({ paginate }) => {
 	const uniqueTags = getUniqueTags(allPostsByDate)
 
 	return uniqueTags.flatMap((tag) => {
-		const filterPosts = allPostsByDate.filter((post) => post.data.tags.includes(tag))
+		const filterPosts = allPostsByDate.filter((post) => post.data.tags?.includes(tag))
 		return paginate(filterPosts, {
 			pageSize: 50,
 			params: { tag }
diff --git a/src/utils/post.ts b/src/utils/post.ts
index edda03c..3eca3c4 100644
--- a/src/utils/post.ts
+++ b/src/utils/post.ts
@@ -18,7 +18,7 @@ export function sortMDByDate(posts: Array<CollectionEntry<'post'>>) {
 
 /** Note: This function doesn't filter draft posts, pass it the result of getAllPosts above to do so. */
 export function getAllTags(posts: Array<CollectionEntry<'post'>>) {
-	return posts.flatMap((post) => [...post.data.tags])
+	return posts.flatMap((post) => [...(post.data?.tags ?? [])])
 }
 
 /** Note: This function doesn't filter draft posts, pass it the result of getAllPosts above to do so. */