diff --git a/packages/gatsby-source-filesystem/src/extend-file-node.js b/packages/gatsby-source-filesystem/src/extend-file-node.js
index 1b430b1bf1a49..b0f09d492f729 100644
--- a/packages/gatsby-source-filesystem/src/extend-file-node.js
+++ b/packages/gatsby-source-filesystem/src/extend-file-node.js
@@ -30,7 +30,7 @@ module.exports = ({
         )
 
         if (!fs.existsSync(publicPath)) {
-          fs.copy(
+          fs.copySync(
             details.absolutePath,
             publicPath,
             { dereference: true },