diff --git a/tools/npm/copy-npm-shrinkwrap b/tools/npm/copy-npm-shrinkwrap
index 65d915bb9d..cbc722c199 100755
--- a/tools/npm/copy-npm-shrinkwrap
+++ b/tools/npm/copy-npm-shrinkwrap
@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 
+var fs = require('fs');
 var fse = require('fs-extra');
 var path = require('path');
 
@@ -9,4 +10,8 @@ var PROJECT_ROOT = path.join(__dirname, '../../');
 
 process.chdir(PROJECT_ROOT);
 
-fse.copySync(NPM_SHRINKWRAP_FILE, NPM_SHRINKWRAP_CACHED_FILE);
+if (fs.existsSync(NPM_SHRINKWRAP_FILE)) {
+  fse.copySync(NPM_SHRINKWRAP_FILE, NPM_SHRINKWRAP_CACHED_FILE);
+} else {
+  console.warn(`${NPM_SHRINKWRAP_FILE} not found. Copy operation will be skipped.`);
+}