diff --git a/src/ofxPiMapper.cpp b/src/ofxPiMapper.cpp
index b5d1972..af1ea0f 100644
--- a/src/ofxPiMapper.cpp
+++ b/src/ofxPiMapper.cpp
@@ -190,6 +190,10 @@ unsigned int ofxPiMapper::getNumSurfaces(){
 	return _application.getSurfaceManager()->getActivePreset()->getSurfaces().size();
 }
 
+int ofxPiMapper::getSelectedSurface(){
+	return _application.getSurfaceManager()->getSelectedSurfaceIndex();
+}
+
 void ofxPiMapper::setInfoText(string text){
 	_application.setInfoText(text);
 }
diff --git a/src/ofxPiMapper.h b/src/ofxPiMapper.h
index 2cd1425..7c8d433 100644
--- a/src/ofxPiMapper.h
+++ b/src/ofxPiMapper.h
@@ -47,6 +47,7 @@ class ofxPiMapper {
 	
 		// Surfaces, active preset
 		unsigned int getNumSurfaces();
+		int getSelectedSurface();
 		void selectSurface(int i);
 		void togglePerspective();
 		void selectNextSurface();