diff --git a/examples/webgl_buffergeometry_instancing.html b/examples/webgl_buffergeometry_instancing.html
index dc66e43c85adde93f2e70626411d6343ad7d3f9e..20644ea139568f058322b3411c388787a32f41d8 100644
--- a/examples/webgl_buffergeometry_instancing.html
+++ b/examples/webgl_buffergeometry_instancing.html
@@ -207,7 +207,7 @@
 			renderer.setSize( window.innerWidth, window.innerHeight );
 			container.appendChild( renderer.domElement );
 
-			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 
 				document.getElementById( 'notSupported' ).style.display = '';
 				return;
diff --git a/examples/webgl_buffergeometry_instancing2.html b/examples/webgl_buffergeometry_instancing2.html
index ecc5925b976e041a7c623faed0377272fbe7d34d..138ae4911f3529ec57a5f86983efbf438b9af2e8 100644
--- a/examples/webgl_buffergeometry_instancing2.html
+++ b/examples/webgl_buffergeometry_instancing2.html
@@ -200,7 +200,7 @@
 			renderer.setSize( window.innerWidth, window.innerHeight );
 			container.appendChild( renderer.domElement );
 
-			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 
 				document.getElementById( 'notSupported' ).style.display = '';
 				return;
diff --git a/examples/webgl_buffergeometry_instancing_billboards.html b/examples/webgl_buffergeometry_instancing_billboards.html
index adc3881b4b03d8c8b645d243a1ca0a5677e5e7e6..1ea8dfd919bcdc897b096a12f2f30377d14989bb 100644
--- a/examples/webgl_buffergeometry_instancing_billboards.html
+++ b/examples/webgl_buffergeometry_instancing_billboards.html
@@ -125,7 +125,7 @@
 
 			renderer = new THREE.WebGLRenderer();
 
-			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 				document.getElementById( 'notSupported' ).style.display = '';
 				return false;
 			}
diff --git a/examples/webgl_buffergeometry_instancing_dynamic.html b/examples/webgl_buffergeometry_instancing_dynamic.html
index 02670ec7830073d7e68356ad93d63640f9a46881..a814ee8f33e71554734710b695a5c935ab0439e5 100644
--- a/examples/webgl_buffergeometry_instancing_dynamic.html
+++ b/examples/webgl_buffergeometry_instancing_dynamic.html
@@ -192,7 +192,7 @@
 			renderer.setSize( window.innerWidth, window.innerHeight );
 			container.appendChild( renderer.domElement );
 
-			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 
 				document.getElementById( 'notSupported' ).style.display = '';
 				return;
diff --git a/examples/webgl_buffergeometry_instancing_interleaved_dynamic.html b/examples/webgl_buffergeometry_instancing_interleaved_dynamic.html
index 3271e70f5af9a262a782cd6521c5fe9da6625eba..efbcd206924c7257d19a04de27d46fe91d75fbfc 100644
--- a/examples/webgl_buffergeometry_instancing_interleaved_dynamic.html
+++ b/examples/webgl_buffergeometry_instancing_interleaved_dynamic.html
@@ -233,7 +233,7 @@
 		scene.add( mesh );
 
 
-		if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+		if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 			document.getElementById( "notSupported" ).style.display = "";
 			return;
 		}
diff --git a/examples/webgl_interactive_instances_gpu.html b/examples/webgl_interactive_instances_gpu.html
index 603b5abf226d1a592ecbabd550ddb645428926ad..8fa1b602c79314504d2988ccc9e8588350c30f7c 100644
--- a/examples/webgl_interactive_instances_gpu.html
+++ b/examples/webgl_interactive_instances_gpu.html
@@ -965,7 +965,7 @@
 				antialias: true,
 				alpha: true
 			} );
-			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 
 				document.getElementById( "notSupported" ).style.display = "";
 				return;
@@ -976,7 +976,7 @@
 			//renderer.sortObjects = false;
 			container.appendChild( renderer.domElement );
 
-			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
 
 				throw 'ANGLE_instanced_arrays not supported';