diff --git a/css/stylesheet.css b/css/stylesheet.css
index 32b9d842470451bc05ea32a2275406abe4595d94..4991aee8fb6335a08a5d4d51854a3c37c0527ffc 100644
--- a/css/stylesheet.css
+++ b/css/stylesheet.css
@@ -591,6 +591,14 @@ input[type=number]::-webkit-outer-spin-button {
     color: #00e676;
 }
 
+#btn_run > .btn-text:before {
+    content: 'Run'
+}
+
+#btn_run.active > .btn-text:before {
+    content: 'Rerun'
+}
+
 #btn_pause > .btn-text:before {
     content: 'Pause'
 }
diff --git a/index.html b/index.html
index 932f4b17b56954f059cc442f226ceaf309c39958..221048209fd75fd962a61f5e21f11dcbed8f501d 100644
--- a/index.html
+++ b/index.html
@@ -37,7 +37,7 @@
         </div>
         <button id="btn_run">
             <i class="fa fa-play" aria-hidden="true"></i>
-            <span class="btn-text">Run</span>
+            <span class="btn-text"></span>
         </button>
         <button id="btn_prev">
             <i class="fa fa-chevron-left" aria-hidden="true"></i>
diff --git a/js/dom/setup/setup_top_menu.js b/js/dom/setup/setup_top_menu.js
index e16970f1638090347115bc1c9695473100743610..d0ee6f48c4db9b98fa209c805f3edf775cfb0775 100644
--- a/js/dom/setup/setup_top_menu.js
+++ b/js/dom/setup/setup_top_menu.js
@@ -28,7 +28,6 @@ module.exports = () => {
   // control
 
   const $btnRun = $('#btn_run');
-  const $btnRunText=ap=$('#btn_run>span');
   const $btnTrace = $('#btn_trace');
   const $btnPause = $('#btn_pause');
   const $btnPrev = $('#btn_prev');
@@ -48,9 +47,6 @@ module.exports = () => {
       Toast.showErrorToast(err);
       TopMenu.resetTopMenuButtons();
     }
-    else {
-      $btnRunText.html("Rerun");
-    }
   });
 
   $btnPause.click(() => {