diff --git a/example_simpleCapture/addons.make b/example_simpleCapture/addons.make
index 9fe2b5a..4b1899d 100644
--- a/example_simpleCapture/addons.make
+++ b/example_simpleCapture/addons.make
@@ -1,2 +1,4 @@
-ofxUVC
+ofxLiquidEvent
 ofxMachineVision
+ofxPlugin
+ofxSingleton
diff --git a/src/ofxMachineVision.h b/src/ofxMachineVision.h
index 33edb2e..416136a 100644
--- a/src/ofxMachineVision.h
+++ b/src/ofxMachineVision.h
@@ -46,7 +46,7 @@ namespace ofxMachineVision {
 	class SimpleGrabber : public Grabber::Simple {
 	public:
 		SimpleGrabber() : Grabber::Simple() {
-			this->setDevice(make_shared<Device::Type>());
+			this->setDevice(make_shared<DeviceType>());
 		}
 
 		shared_ptr<DeviceType> getDeviceTyped() const {
diff --git a/src/ofxMachineVision/Device/VideoPlayer.cpp b/src/ofxMachineVision/Device/VideoPlayer.cpp
index b5333be..c48cb99 100644
--- a/src/ofxMachineVision/Device/VideoPlayer.cpp
+++ b/src/ofxMachineVision/Device/VideoPlayer.cpp
@@ -1,4 +1,5 @@
 #include "VideoPlayer.h"
+#include "ofSystemUtils.h"
 
 namespace ofxMachineVision {
 	namespace Device {
@@ -23,7 +24,7 @@ namespace ofxMachineVision {
 				} 
 				typedInitialisationSettings->filename = result.filePath;
 			}
-			if (!ofFile::doesFileExist(typedInitialisationSettings->filename)) {
+			if (!ofFile::doesFileExist(typedInitialisationSettings->filename.get())) {
 				throw(ofxMachineVision::Exception("File does not exist"));
 			}
 
diff --git a/src/ofxMachineVision/Grabber/Simple.h b/src/ofxMachineVision/Grabber/Simple.h
index ebcb754..5a8e36d 100644
--- a/src/ofxMachineVision/Grabber/Simple.h
+++ b/src/ofxMachineVision/Grabber/Simple.h
@@ -2,6 +2,7 @@
 
 #include "ofBaseTypes.h"
 #include "ofTexture.h"
+#include "ofMath.h"
 
 #include "Base.h"
 #include "ofxMachineVision/Frame.h"
@@ -162,7 +163,7 @@ namespace ofxMachineVision {
 			void setFrame(shared_ptr<Frame>);
 			void clearCachedFrame();
 
-			mutable ofMutex framePointerMutex;
+			mutable std::mutex framePointerMutex;
 			shared_ptr<Frame> frame;
 
 			ofPixels pixels; // every app frame we cache a set of pixels which we can use for simple access. if getPixels() returned from frame, then there would be locking issues.
diff --git a/src/ofxMachineVision/Parameter.h b/src/ofxMachineVision/Parameter.h
index 858770e..35ff1c2 100644
--- a/src/ofxMachineVision/Parameter.h
+++ b/src/ofxMachineVision/Parameter.h
@@ -2,6 +2,8 @@
 
 #include "ofParameter.h"
 
+using namespace std;
+
 namespace ofxMachineVision {
 	class AbstractParameter {
 	public:
diff --git a/src/ofxMachineVision/Utils/ActionQueueThread.cpp b/src/ofxMachineVision/Utils/ActionQueueThread.cpp
index 8099a09..0121f5a 100644
--- a/src/ofxMachineVision/Utils/ActionQueueThread.cpp
+++ b/src/ofxMachineVision/Utils/ActionQueueThread.cpp
@@ -1,5 +1,6 @@
 #include "ActionQueueThread.h"
 #include "ofAppRunner.h"
+#include "ofLog.h"
 
 #include "../Constants.h"