diff --git a/packages/gatsby/gatsby-node.js b/packages/gatsby/gatsby-node.js
index d60914a03061..de88ee73adc0 100644
--- a/packages/gatsby/gatsby-node.js
+++ b/packages/gatsby/gatsby-node.js
@@ -12,7 +12,7 @@ exports.onCreateWebpackConfig = ({ getConfig, actions }, options) => {
         sentryWebpackPlugin({
           sourcemaps: {
             // Only include files from the build output directory
-            assets: ['public'],
+            assets: ['./public/**'],
             // Ignore files that aren't users' source code related
             ignore: [
               'polyfill-*', // related to polyfills