diff --git a/src/big-vr-play-button.js b/src/big-vr-play-button.js
index ecdc1ece..9517b861 100644
--- a/src/big-vr-play-button.js
+++ b/src/big-vr-play-button.js
@@ -11,7 +11,8 @@ class BigVrPlayButton extends BigPlayButton {
   handleClick() {
     // For iOS we need permission for the device orientation data, this will pop up an 'Allow' if not already set
     // eslint-disable-next-line
-    if (typeof(window.DeviceMotionEvent) === 'function' && typeof(window.DeviceMotionEvent.requestPermission) === "function") {
+    if (typeof window.DeviceMotionEvent === 'function' &&
+        typeof window.DeviceMotionEvent.requestPermission === "function") {
       window.DeviceMotionEvent.requestPermission().then(response => {
         if (response !== 'granted') {
           this.log('DeviceMotionEvent permissions not set');
diff --git a/src/plugin.js b/src/plugin.js
index 74e4bc88..9c6da1b5 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -804,7 +804,8 @@ void main() {
 
     // For iOS we need permission for the device orientation data, this will pop up an 'Allow'
     // eslint-disable-next-line
-    if (typeof(window.DeviceMotionEvent) === 'function' && typeof(window.DeviceMotionEvent.requestPermission) === "function") {
+    if (typeof window.DeviceMotionEvent === 'function' &&
+        typeof window.DeviceMotionEvent.requestPermission === "function") {
       const self = this;
 
       window.DeviceMotionEvent.requestPermission().then(response => {