diff --git a/examples/js/postprocessing/SSAOPass.js b/examples/js/postprocessing/SSAOPass.js
index 88fa8ac7c20efc5a57a4b770fffddaf82d01b6a5..2e83c7d38bcd56d0d710f38a0637191e505efcae 100644
--- a/examples/js/postprocessing/SSAOPass.js
+++ b/examples/js/postprocessing/SSAOPass.js
@@ -83,7 +83,7 @@ THREE.SSAOPass = function ( scene, camera, width, height ) {
 	this.ssaoMaterial.uniforms[ 'cameraFar' ].value = this.camera.far;
 	this.ssaoMaterial.uniforms[ 'resolution' ].value.set( this.width, this.height );
 	this.ssaoMaterial.uniforms[ 'cameraProjectionMatrix' ].value.copy( this.camera.projectionMatrix );
-	this.ssaoMaterial.uniforms[ 'cameraInverseProjectionMatrix' ].value.getInverse( this.camera.projectionMatrix );
+	this.ssaoMaterial.uniforms[ 'cameraInverseProjectionMatrix' ].value.copy( this.camera.projectionMatrixInverse );
 
 	// normal material
 
@@ -322,7 +322,7 @@ THREE.SSAOPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ),
 
 		this.ssaoMaterial.uniforms[ 'resolution' ].value.set( width, height );
 		this.ssaoMaterial.uniforms[ 'cameraProjectionMatrix' ].value.copy( this.camera.projectionMatrix );
-		this.ssaoMaterial.uniforms[ 'cameraInverseProjectionMatrix' ].value.getInverse( this.camera.projectionMatrix );
+		this.ssaoMaterial.uniforms[ 'cameraInverseProjectionMatrix' ].value.copy( this.camera.projectionMatrixInverse );
 
 		this.blurMaterial.uniforms[ 'resolution' ].value.set( width, height );