diff --git a/app/js/main.js b/app/js/main.js
index 97417d6..19a4ed5 100644
--- a/app/js/main.js
+++ b/app/js/main.js
@@ -134,4 +134,12 @@ function versionCompare(v1, v2, options) {
   }
 
   return 0;
-}
\ No newline at end of file
+}
+
+var webgl = (function() {
+  try {
+    return !!window.WebGLRenderingContext && !!document.createElement('canvas').getContext('experimental-webgl');
+  } catch (e) {
+    return false;
+  }
+})();
\ No newline at end of file
diff --git a/app/js/ui.js b/app/js/ui.js
index 1ffda8c..ec03d23 100644
--- a/app/js/ui.js
+++ b/app/js/ui.js
@@ -153,7 +153,7 @@ function setJogPanel(val, status) {
     $('#xPos').html('0.00');
     $('#yPos').html('0.00');
     $('#zPos').html('0.00');
-    if (!isJogWidget) {
+    if (!isJogWidget && webgl) {
       if (!simRunning) {
         cone.visible = false;
       }
@@ -174,7 +174,7 @@ function setJogPanel(val, status) {
     if ($('#jograte').attr('disabled')) {
       $('#jograte').attr('disabled', false);
     }
-    if (!isJogWidget) {
+    if (!isJogWidget && webgl) {
       if (object) {
         if (!simRunning) {
           cone.visible = false;
@@ -197,7 +197,7 @@ function setJogPanel(val, status) {
     if (!$('#jograte').attr('disabled')) {
       $('#jograte').attr('disabled', true);
     }
-    if (!isJogWidget) {
+    if (!isJogWidget && webgl) {
       if (!simRunning) {
         cone.visible = true;
       }
@@ -216,7 +216,7 @@ function setJogPanel(val, status) {
     if (!$('#jograte').attr('disabled')) {
       $('#jograte').attr('disabled', true);
     }
-    if (!isJogWidget) {
+    if (!isJogWidget && webgl) {
       if (!simRunning) {
         cone.visible = true;
       }
@@ -236,7 +236,7 @@ function setJogPanel(val, status) {
     if (!$('#jograte').attr('disabled')) {
       $('#jograte').attr('disabled', true);
     }
-    if (!isJogWidget) {
+    if (!isJogWidget && webgl) {
       if (!simRunning) {
         cone.visible = false;
       }
diff --git a/app/js/websocket.js b/app/js/websocket.js
index 0a402d7..609ed3e 100644
--- a/app/js/websocket.js
+++ b/app/js/websocket.js
@@ -10,16 +10,6 @@ var simstopped = false;
 var bellstate = false;
 var toast = Metro.toast.create;
 
-var webgl = (function() {
-  try {
-    return !!window.WebGLRenderingContext && !!document.createElement('canvas').getContext('experimental-webgl');
-  } catch (e) {
-    return false;
-  }
-})();
-
-
-
 $(document).ready(function() {
   initSocket();