diff --git a/gulpfile.js b/gulpfile.js
index fb36e81e..ca42154a 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -18,7 +18,7 @@ import GlobalsPlugin from 'esbuild-plugin-globals'
 import shell from 'shelljs'
 import chalk from 'chalk'
 
-const cesium_path = path.resolve('./node_modules/cesium/build/Cesium')
+const cesium_path = path.resolve('./node_modules/cesium/Build/Cesium')
 
 const packageJson = fse.readJsonSync('./package.json')