diff --git a/samples/react-add-js-css-ref/gulpfile.js b/samples/react-add-js-css-ref/gulpfile.js
index 7958fd5d8..28e496619 100644
--- a/samples/react-add-js-css-ref/gulpfile.js
+++ b/samples/react-add-js-css-ref/gulpfile.js
@@ -3,5 +3,6 @@
 const gulp = require('gulp');
 const build = require('@microsoft/sp-build-web');
 build.addSuppression(`Warning - [sass] The local CSS class 'ms-Grid' is not camelCase and will not be type-safe.`);
+build.addSuppression(`Warning - [sass] The local CSS class 'ms-DetailsList' is not camelCase and will not be type-safe.`);
 
 build.initialize(gulp);