diff --git a/config/webpack/webpack.config.coverage.js b/config/webpack/webpack.config.coverage.js
index 97cb570..fdfacc3 100644
--- a/config/webpack/webpack.config.coverage.js
+++ b/config/webpack/webpack.config.coverage.js
@@ -14,8 +14,8 @@ module.exports = _.merge({}, testCfg, {
       // Manually instrument client code for code coverage.
       // https://github.com/deepsweet/isparta-loader handles ES6 + normal JS.
       {
-        test: /(test|client)\/.*\.jsx?$/,
-        exclude: /node_modules\//,
+        test: /src\/.*\.jsx?$/,
+        exclude: /(test|node_modules)\//,
         loader: ispartaLoader
       }
     ]