diff --git a/quartz/components/Comments.tsx b/quartz/components/Comments.tsx
index 5f29860..0bfd82d 100644
--- a/quartz/components/Comments.tsx
+++ b/quartz/components/Comments.tsx
@@ -28,7 +28,8 @@ export default ((opts: Options) => {
   const Comments: QuartzComponent = ({ displayClass, fileData, cfg }: QuartzComponentProps) => {
     // check if comments should be displayed according to frontmatter
     const disableComment: boolean =
-      !fileData.frontmatter?.comments || fileData.frontmatter?.comments === "false"
+      typeof fileData.frontmatter?.comments !== "undefined" &&
+      (!fileData.frontmatter?.comments || fileData.frontmatter?.comments === "false")
     if (disableComment) {
       return <></>
     }