diff --git a/gulpfile.js b/gulpfile.js
index 331596cf52..504989220f 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -12,6 +12,7 @@ var buildLibraries = function() {
   // See https://gist.github.com/ktmud/9384509
   return gulp.src(mainBowerFiles())
     .pipe(filter('**/*.js')) // filter out CSS (bootstrap, etc.)
+    .pipe(uglify())
     .pipe(concat('libraries.js'))
     .pipe(gulp.dest('web/'));
 }
@@ -28,6 +29,7 @@ var buildJs = function() {
       'src/web/js/url.js',
       'src/web/js/script.js',
     ])
+    .pipe(uglify())
     .pipe(concat('script.js'))
     .pipe(gulp.dest('web/'));
 }
diff --git a/src/web/js/script.js b/src/web/js/script.js
index eaa8c2d24d..57c632ac65 100644
--- a/src/web/js/script.js
+++ b/src/web/js/script.js
@@ -87,6 +87,16 @@
 
   var uiDictionaryLoadCallback = function(dictionary) {
     $('#wordcount').html(dictionary.words.length);
+    uiSetState();
+  }
+
+  var uiSetState = function() {
+    var rawSentence = $('input').val();
+    if (Dictionary.checkSentence(rawSentence)) {
+      setState('ok');
+    } else {
+      setState('error');
+    }
   }
 
   /** Init the UI, possibly from a state passed in from the URL. */