diff --git a/plugins/gatsby-remark-codepen-examples/index.js b/plugins/gatsby-remark-codepen-examples/index.js
index 2a73894e..d3872849 100644
--- a/plugins/gatsby-remark-codepen-examples/index.js
+++ b/plugins/gatsby-remark-codepen-examples/index.js
@@ -21,7 +21,7 @@ module.exports = ({markdownAST}) => {
       // Verify that the specified example file exists.
       const filePath = join(__dirname, `../../${href}.js`);
       if (!existsSync(filePath)) {
-        console.log(
+        console.error(
           `Invalid Codepen link specified; no such file "${filePath}"`,
         );
         process.exit(1);