diff --git a/packages/slate-tools/cli/commands/build.js b/packages/slate-tools/cli/commands/build.js
index 52e67e012..05536b4ee 100755
--- a/packages/slate-tools/cli/commands/build.js
+++ b/packages/slate-tools/cli/commands/build.js
@@ -30,4 +30,6 @@ webpack(webpackConfig, (err, stats) => {
       chunkModules: false,
     })}`,
   );
+
+  if (stats.compilation.errors.length) process.exit(1);
 });