diff --git a/src/pages/about.tsx b/src/pages/about.tsx
index 1f99883..5bced5e 100644
--- a/src/pages/about.tsx
+++ b/src/pages/about.tsx
@@ -13,7 +13,7 @@ export async function getStaticProps() {
 	return {
 		props: {
 			meta: {
-				title: frontmatter.title,
+				title: (frontmatter as { title?: string }).title || '',
 			},
 			source,
 		},
diff --git a/src/pages/projects.tsx b/src/pages/projects.tsx
index bddfee4..8a9976b 100644
--- a/src/pages/projects.tsx
+++ b/src/pages/projects.tsx
@@ -14,7 +14,7 @@ export async function getStaticProps() {
 	return {
 		props: {
 			meta: {
-				title: frontmatter.title,
+				title: (frontmatter as { title?: string }).title || '',
 			},
 			source,
 		},
diff --git a/src/pages/publications.tsx b/src/pages/publications.tsx
index 04312f3..89cd7e5 100644
--- a/src/pages/publications.tsx
+++ b/src/pages/publications.tsx
@@ -15,7 +15,7 @@ export async function getStaticProps() {
 	return {
 		props: {
 			meta: {
-				title: frontmatter.title,
+				title: (frontmatter as { title?: string }).title || '',
 			},
 			source,
 		},
diff --git a/src/pages/research.tsx b/src/pages/research.tsx
index 7325a12..0f5735f 100644
--- a/src/pages/research.tsx
+++ b/src/pages/research.tsx
@@ -13,7 +13,7 @@ export async function getStaticProps() {
 	return {
 		props: {
 			meta: {
-				title: frontmatter.title,
+				title: (frontmatter as { title?: string }).title || '',
 			},
 			source,
 		},