diff --git a/qgroundcontrol.pro b/qgroundcontrol.pro
index 2174a90cbca104795d9d5ead7645e20e90612192..fbb3e30906dcee462fbc795aa77afe188f1b16f7 100644
--- a/qgroundcontrol.pro
+++ b/qgroundcontrol.pro
@@ -63,7 +63,8 @@ LinuxBuild {
 # Qt configuration
 
 CONFIG += qt \
-    thread
+    thread \
+    c++11
 
 QT += \
     concurrent \
diff --git a/src/FactSystem/ParameterLoader.cc b/src/FactSystem/ParameterLoader.cc
index e9be6b724f97c21ecd2510b08c5e56607962071f..d5f2a99193fc333711e5d0deed8fe4bd422a1e7f 100644
--- a/src/FactSystem/ParameterLoader.cc
+++ b/src/FactSystem/ParameterLoader.cc
@@ -74,8 +74,7 @@ ParameterLoader::ParameterLoader(AutoPilotPlugin* autopilot, Vehicle* vehicle, Q
     _cacheTimeoutTimer.setInterval(2500);
     connect(&_cacheTimeoutTimer, &QTimer::timeout, this, &ParameterLoader::refreshAllParameters);
 
-    // FIXME: Why not direct connect?
-    connect(_vehicle->uas(), SIGNAL(parameterUpdate(int, int, QString, int, int, int, QVariant)), this, SLOT(_parameterUpdate(int, int, QString, int, int, int, QVariant)));
+    connect(_vehicle->uas(), &UASInterface::parameterUpdate, this, &ParameterLoader::_parameterUpdate);
 
     /* Initially attempt a local cache load, refresh over the link if it fails */
     _tryCacheLookup();
diff --git a/src/FactSystem/ParameterLoader.h b/src/FactSystem/ParameterLoader.h
index 74775d77808f0c41b35f9ccde61c1a9d538f057f..1348230813ecb05440a7f9ed8ff55b2061cd4fb5 100644
--- a/src/FactSystem/ParameterLoader.h
+++ b/src/FactSystem/ParameterLoader.h
@@ -56,11 +56,9 @@ public:
     /// Returns true if the full set of facts are ready
     bool parametersAreReady(void) { return _parametersReady; }
 
-public slots:
     /// Re-request the full set of parameters from the autopilot
     void refreshAllParameters(void);
 
-public:
     /// Request a refresh on the specific parameter
     void refreshParameter(int componentId, const QString& name);
     
@@ -102,7 +100,6 @@ protected:
     Vehicle*            _vehicle;
     MAVLinkProtocol*    _mavlink;
     
-private slots:
     void _parameterUpdate(int uasId, int componentId, QString parameterName, int parameterCount, int parameterId, int mavType, QVariant value);
     void _valueUpdated(const QVariant& value);
     void _restartWaitingParamTimer(void);