diff --git a/packages/scripts/config/webpack.config.js b/packages/scripts/config/webpack.config.js
index 29a25c9353ff3..05b37945795a7 100644
--- a/packages/scripts/config/webpack.config.js
+++ b/packages/scripts/config/webpack.config.js
@@ -10,6 +10,7 @@ const MiniCSSExtractPlugin = require( 'mini-css-extract-plugin' );
 const { basename, dirname, resolve } = require( 'path' );
 const ReactRefreshWebpackPlugin = require( '@pmmmwh/react-refresh-webpack-plugin' );
 const TerserPlugin = require( 'terser-webpack-plugin' );
+const { realpathSync } = require( 'fs' );
 
 /**
  * WordPress dependencies
@@ -302,7 +303,9 @@ const config = {
 					filter: ( filepath ) => {
 						return (
 							process.env.WP_COPY_PHP_FILES_TO_DIST ||
-							RenderPathsPlugin.renderPaths.includes( filepath )
+							RenderPathsPlugin.renderPaths.includes(
+								realpathSync( filepath ).replace( /\\/g, '/' )
+							)
 						);
 					},
 				},
diff --git a/packages/scripts/utils/config.js b/packages/scripts/utils/config.js
index fc00a613d34ac..bb871b6f082dc 100644
--- a/packages/scripts/utils/config.js
+++ b/packages/scripts/utils/config.js
@@ -206,17 +206,15 @@ function getWebpackEntryPoints() {
 
 	// 2. Checks whether any block metadata files can be detected in the defined source directory.
 	//    It scans all discovered files looking for JavaScript assets and converts them to entry points.
+	const srcDirectory = fromProjectRoot( getWordPressSrcDirectory() ) + sep;
 	const blockMetadataFiles = glob(
-		`${ getWordPressSrcDirectory() }/**/block.json`,
+		join( srcDirectory, '**/block.json' ).replace( /\\/g, '/' ),
 		{
 			absolute: true,
 		}
 	);
 
 	if ( blockMetadataFiles.length > 0 ) {
-		const srcDirectory = fromProjectRoot(
-			getWordPressSrcDirectory() + sep
-		);
 		const entryPoints = blockMetadataFiles.reduce(
 			( accumulator, blockMetadataFile ) => {
 				// wrapping in try/catch in case the file is malformed
@@ -335,15 +333,14 @@ function getRenderPropPaths() {
 	}
 
 	// Checks whether any block metadata files can be detected in the defined source directory.
+	const srcDirectory = fromProjectRoot( getWordPressSrcDirectory() + sep );
 	const blockMetadataFiles = glob(
-		`${ getWordPressSrcDirectory() }/**/block.json`,
+		join( srcDirectory, '**/block.json' ).replace( /\\/g, '/' ),
 		{
 			absolute: true,
 		}
 	);
 
-	const srcDirectory = fromProjectRoot( getWordPressSrcDirectory() + sep );
-
 	const renderPaths = blockMetadataFiles.map( ( blockMetadataFile ) => {
 		const { render } = JSON.parse( readFileSync( blockMetadataFile ) );
 		if ( render && render.startsWith( 'file:' ) ) {