diff --git a/examples/js/controls/DeviceOrientationControls.js b/examples/js/controls/DeviceOrientationControls.js
index e0623a9c9d428327e0a6e201be17cd050b45ff3f..0d1be0349f650d0f610c55fd1c9e272a26e0fa76 100644
--- a/examples/js/controls/DeviceOrientationControls.js
+++ b/examples/js/controls/DeviceOrientationControls.js
@@ -4,6 +4,12 @@
 
 THREE.DeviceOrientationControls = function ( object ) {
 
+	if ( window.isSecureContext === false ) {
+
+		console.error( 'THREE.DeviceOrientationControls: DeviceOrientationEvent is only available in secure contexts (https)' );
+
+	}
+
 	var scope = this;
 	var changeEvent = { type: 'change' };
 	var EPS = 0.000001;
diff --git a/examples/jsm/controls/DeviceOrientationControls.js b/examples/jsm/controls/DeviceOrientationControls.js
index f7c716647fbbde1a2b9277013e8ebcd71d285d9e..64236d0a3f9d24e22933a6ce760c92b244af020d 100644
--- a/examples/jsm/controls/DeviceOrientationControls.js
+++ b/examples/jsm/controls/DeviceOrientationControls.js
@@ -12,6 +12,12 @@ import {
 
 var DeviceOrientationControls = function ( object ) {
 
+	if ( window.isSecureContext === false ) {
+
+		console.error( 'THREE.DeviceOrientationControls: DeviceOrientationEvent is only available in secure contexts (https)' );
+
+	}
+
 	var scope = this;
 	var changeEvent = { type: 'change' };
 	var EPS = 0.000001;