diff --git a/packages/cli/src/config/webpack.config.prod.js b/packages/cli/src/config/webpack.config.prod.js
index 62764d0d7..54c3b9196 100644
--- a/packages/cli/src/config/webpack.config.prod.js
+++ b/packages/cli/src/config/webpack.config.prod.js
@@ -1,3 +1,4 @@
+// const webpack = require('webpack');
 const webpackMerge = require('webpack-merge');
 const commonConfig = require('./webpack.config.common.js');
 
@@ -12,6 +13,10 @@ module.exports = ({ config, context, graph }) => {
       hints: 'warning'
     }
 
+    // plugins: [
+    //   new webpack.ProgressPlugin()
+    // ]
+
   });
 
 };
\ No newline at end of file
diff --git a/packages/cli/src/lifecycles/config.js b/packages/cli/src/lifecycles/config.js
index 892d5a829..b7e9bea8e 100644
--- a/packages/cli/src/lifecycles/config.js
+++ b/packages/cli/src/lifecycles/config.js
@@ -90,10 +90,11 @@ module.exports = readAndMergeConfig = async() => {
         }
 
         if (themeFile) {
-          if (typeof themeFile !== 'string' && themeFile.indexOf('.') < 1) {
+          if (typeof themeFile === 'string' && themeFile.indexOf('.') > 0) {
+            customConfig.themeFile = themeFile;
+          } else {
             reject(`Error: greenwood.config.js themeFile must be a valid filename. got ${themeFile} instead.`);
           }
-          customConfig.themeFile = themeFile;
         }
 
         if (devServer && Object.keys(devServer).length > 0) {
@@ -119,6 +120,7 @@ module.exports = readAndMergeConfig = async() => {
           }
         }
       }
+
       resolve({ ...defaultConfig, ...customConfig });
     } catch (err) {
       reject(err);
diff --git a/packages/cli/src/tasks/build.js b/packages/cli/src/tasks/build.js
index df89ff357..39b9d72e1 100644
--- a/packages/cli/src/tasks/build.js
+++ b/packages/cli/src/tasks/build.js
@@ -1,3 +1,4 @@
+const chalk = require('chalk');
 const path = require('path');
 const webpack = require('webpack');
 const serializeBuild = require('../lifecycles/serialize');
@@ -32,6 +33,11 @@ const runWebpack = async (compilation) => {
           reject(err);
         } else {
           console.log('webpack build complete');
+
+          if (stats && stats.hasWarnings()) {
+            console.log(`${chalk.rgb(255, 255, 71)(stats.toJson('minimal').warnings[0])}`);
+          }
+
           resolve();
         }
       });