diff --git a/buildutils/src/utils.ts b/buildutils/src/utils.ts
index 7a6eba2fce9c..bb0e4d1d616d 100644
--- a/buildutils/src/utils.ts
+++ b/buildutils/src/utils.ts
@@ -15,7 +15,8 @@ export function getLernaPaths(basePath = '.'): string[] {
   basePath = path.resolve(basePath);
   let baseConfig = require(path.join(basePath, 'package.json'));
   let paths: string[] = [];
-  for (let config of baseConfig.workspaces.packages) {
+  let packages = baseConfig.workspaces.packages || baseConfig.workspaces;
+  for (let config of packages) {
     paths = paths.concat(glob.sync(path.join(basePath, config)));
   }
   return paths.filter(pkgPath => {