diff --git a/lib/tech-talks.ts b/lib/tech-talks.ts
index 92de939c..4426fcb4 100644
--- a/lib/tech-talks.ts
+++ b/lib/tech-talks.ts
@@ -16,7 +16,7 @@ export interface Metadata {
 const TALKS_PATH = path.join("content", "tech-talks");
 
 export async function getTechTalk(slug: string) {
-  const raw = await fs.readFile(path.join(TALKS_PATH, slug));
+  const raw = await fs.readFile(path.join(TALKS_PATH, `${slug}.md`));
   const { content, data: metadata } = matter(raw);
 
   return {