diff --git a/example-camera/src/ofApp.cpp b/example-camera/src/ofApp.cpp
index 84411de..c0a24b2 100644
--- a/example-camera/src/ofApp.cpp
+++ b/example-camera/src/ofApp.cpp
@@ -7,6 +7,10 @@ void ofApp::setup(){
 	piMapper.setup();
 }
 
+void ofApp::update(){
+	piMapper.update();
+}
+
 void ofApp::draw(){
 	piMapper.draw();
 }
\ No newline at end of file
diff --git a/example-camera/src/ofApp.h b/example-camera/src/ofApp.h
index aedc918..1f9a63b 100644
--- a/example-camera/src/ofApp.h
+++ b/example-camera/src/ofApp.h
@@ -16,6 +16,7 @@
 class ofApp : public ofBaseApp {
 	public:
 		void setup();
+		void update();
 		void draw();
 
 		ofxPiMapper piMapper;